Basic Math Examples

$\frac{87}{4 + 3 \cdot 1} + 2 \sqrt{9 - \frac{12}{3}} \cdot 5 + 3 \sqrt{\frac{20}{10 \cdot 8}} + 7^{2} \cdot 3 - 15$

Step 1

Find the common denominator.

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Step 1.1

Multiply $\frac{87}{4 + 3 \cdot 1}$ by $\frac{\frac{4 + 3}{4 + 3 \cdot 1}}{\frac{4 + 3}{4 + 3 \cdot 1}}$ .

$\frac{87}{4 + 3 \cdot 1} \cdot \frac{\frac{4 + 3}{4 + 3 \cdot 1}}{\frac{4 + 3}{4 + 3 \cdot 1}} + 2 \sqrt{9 - \frac{12}{3}} \cdot 5 + 3 \sqrt{\frac{20}{10 \cdot 8}} + 7^{2} \cdot 3 - 15$

Step 1.2

Multiply $\frac{87}{4 + 3 \cdot 1}$ by $\frac{\frac{4 + 3}{4 + 3 \cdot 1}}{\frac{4 + 3}{4 + 3 \cdot 1}}$ .

$\frac{87 \frac{4 + 3}{4 + 3}}{(4 + 3) \frac{4 + 3}{4 + 3}} + 2 \sqrt{9 - \frac{12}{3}} \cdot 5 + 3 \sqrt{\frac{20}{10 \cdot 8}} + 7^{2} \cdot 3 - 15$

Step 1.3

Write $2 \sqrt{9 - \frac{12}{3}} \cdot 5$ as a fraction with denominator $1$ .

$\frac{87 \frac{4 + 3}{4 + 3}}{(4 + 3) \frac{4 + 3}{4 + 3}} + \frac{2 \sqrt{9 - \frac{12}{3}} \cdot 5}{1} + 3 \sqrt{\frac{20}{10 \cdot 8}} + 7^{2} \cdot 3 - 15$

Step 1.4

Multiply $\frac{2 \sqrt{9 - \frac{12}{3}} \cdot 5}{1}$ by $\frac{4 + 3}{4 + 3}$ .

$\frac{87 \frac{4 + 3}{4 + 3}}{(4 + 3) \frac{4 + 3}{4 + 3}} + \frac{2 \sqrt{9 - \frac{12}{3}} \cdot 5}{1} \cdot \frac{4 + 3}{4 + 3} + 3 \sqrt{\frac{20}{10 \cdot 8}} + 7^{2} \cdot 3 - 15$

Step 1.5

Multiply $\frac{2 \sqrt{9 - \frac{12}{3}} \cdot 5}{1}$ by $\frac{4 + 3}{4 + 3}$ .

$\frac{87 \frac{4 + 3}{4 + 3}}{(4 + 3) \frac{4 + 3}{4 + 3}} + \frac{2 \sqrt{9 - \frac{12}{3}} \cdot 5 (4 + 3)}{4 + 3} + 3 \sqrt{\frac{20}{10 \cdot 8}} + 7^{2} \cdot 3 - 15$

Step 1.6

Write $3 \sqrt{\frac{20}{10 \cdot 8}}$ as a fraction with denominator $1$ .

$\frac{87 \frac{4 + 3}{4 + 3}}{(4 + 3) \frac{4 + 3}{4 + 3}} + \frac{2 \sqrt{9 - \frac{12}{3}} \cdot 5 (4 + 3)}{4 + 3} + \frac{3 \sqrt{\frac{20}{10 \cdot 8}}}{1} + 7^{2} \cdot 3 - 15$

Step 1.7

Multiply $\frac{3 \sqrt{\frac{20}{10 \cdot 8}}}{1}$ by $\frac{4 + 3}{4 + 3}$ .

$\frac{87 \frac{4 + 3}{4 + 3}}{(4 + 3) \frac{4 + 3}{4 + 3}} + \frac{2 \sqrt{9 - \frac{12}{3}} \cdot 5 (4 + 3)}{4 + 3} + \frac{3 \sqrt{\frac{20}{10 \cdot 8}}}{1} \cdot \frac{4 + 3}{4 + 3} + 7^{2} \cdot 3 - 15$

Step 1.8

Multiply $\frac{3 \sqrt{\frac{20}{10 \cdot 8}}}{1}$ by $\frac{4 + 3}{4 + 3}$ .

$\frac{87 \frac{4 + 3}{4 + 3}}{(4 + 3) \frac{4 + 3}{4 + 3}} + \frac{2 \sqrt{9 - \frac{12}{3}} \cdot 5 (4 + 3)}{4 + 3} + \frac{3 \sqrt{\frac{20}{10 \cdot 8}} (4 + 3)}{4 + 3} + 7^{2} \cdot 3 - 15$

Step 1.9

Write $7^{2} \cdot 3$ as a fraction with denominator $1$ .

$\frac{87 \frac{4 + 3}{4 + 3}}{(4 + 3) \frac{4 + 3}{4 + 3}} + \frac{2 \sqrt{9 - \frac{12}{3}} \cdot 5 (4 + 3)}{4 + 3} + \frac{3 \sqrt{\frac{20}{10 \cdot 8}} (4 + 3)}{4 + 3} + \frac{7^{2} \cdot 3}{1} - 15$

Step 1.10

Multiply $\frac{7^{2} \cdot 3}{1}$ by $\frac{4 + 3}{4 + 3}$ .

Step 1.11

Multiply $\frac{7^{2} \cdot 3}{1}$ by $\frac{4 + 3}{4 + 3}$ .

Step 1.12

Write $- 15$ as a fraction with denominator $1$ .

Step 1.13

Multiply $\frac{- 15}{1}$ by $\frac{4 + 3}{4 + 3}$ .

Step 1.14

Multiply $\frac{- 15}{1}$ by $\frac{4 + 3}{4 + 3}$ .

Step 1.15

Reorder the factors of $(4 + 3) \frac{4 + 3}{4 + 3}$ .

$\frac{87 \frac{4 + 3}{4 + 3}}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{2 \sqrt{9 - \frac{12}{3}} \cdot 5 (4 + 3)}{4 + 3} + \frac{3 \sqrt{\frac{20}{10 \cdot 8}} (4 + 3)}{4 + 3} + \frac{7^{2} \cdot 3 (4 + 3)}{4 + 3} + \frac{- 15 (4 + 3)}{4 + 3}$

Step 2

Simplify terms.

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Step 2.1

Combine the numerators over the common denominator.

$\frac{87 \frac{4 + 3}{4 + 3}}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{2 \sqrt{9 - \frac{12}{3}} \cdot 5 (4 + 3) + 3 \sqrt{\frac{20}{10 \cdot 8}} (4 + 3) + 7^{2} \cdot 3 (4 + 3) - 15 (4 + 3)}{4 + 3}$

Step 2.2

Cancel the common factor of $4 + 3$ .

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Step 2.2.1

Cancel the common factor.

$\frac{87 \frac{4 + 3}{4 + 3}}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{2 \sqrt{9 - \frac{12}{3}} \cdot 5 (4 + 3) + 3 \sqrt{\frac{20}{10 \cdot 8}} (4 + 3) + 7^{2} \cdot 3 (4 + 3) - 15 (4 + 3)}{4 + 3}$

Step 2.2.2

Rewrite the expression.

$\frac{87 \cdot 1}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{2 \sqrt{9 - \frac{12}{3}} \cdot 5 (4 + 3) + 3 \sqrt{\frac{20}{10 \cdot 8}} (4 + 3) + 7^{2} \cdot 3 (4 + 3) - 15 (4 + 3)}{4 + 3}$

Step 2.3

Multiply $87$ by $1$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{2 \sqrt{9 - \frac{12}{3}} \cdot 5 (4 + 3) + 3 \sqrt{\frac{20}{10 \cdot 8}} (4 + 3) + 7^{2} \cdot 3 (4 + 3) - 15 (4 + 3)}{4 + 3}$

Step 3

Simplify each term.

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Step 3.1

Divide $12$ by $3$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{2 \sqrt{9 - 1 \cdot 4} \cdot 5 (4 + 3) + 3 \sqrt{\frac{20}{10 \cdot 8}} (4 + 3) + 7^{2} \cdot 3 (4 + 3) - 15 (4 + 3)}{4 + 3}$

Step 3.2

Multiply $- 1$ by $4$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{2 \sqrt{9 - 4} \cdot 5 (4 + 3) + 3 \sqrt{\frac{20}{10 \cdot 8}} (4 + 3) + 7^{2} \cdot 3 (4 + 3) - 15 (4 + 3)}{4 + 3}$

Step 3.3

Subtract $4$ from $9$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{2 \sqrt{5} \cdot 5 (4 + 3) + 3 \sqrt{\frac{20}{10 \cdot 8}} (4 + 3) + 7^{2} \cdot 3 (4 + 3) - 15 (4 + 3)}{4 + 3}$

Step 3.4

Multiply $5$ by $2$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{10 \sqrt{5} (4 + 3) + 3 \sqrt{\frac{20}{10 \cdot 8}} (4 + 3) + 7^{2} \cdot 3 (4 + 3) - 15 (4 + 3)}{4 + 3}$

Step 3.5

Add $4$ and $3$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{10 \sqrt{5} \cdot 7 + 3 \sqrt{\frac{20}{10 \cdot 8}} (4 + 3) + 7^{2} \cdot 3 (4 + 3) - 15 (4 + 3)}{4 + 3}$

Step 3.6

Multiply $7$ by $10$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{70 \sqrt{5} + 3 \sqrt{\frac{20}{10 \cdot 8}} (4 + 3) + 7^{2} \cdot 3 (4 + 3) - 15 (4 + 3)}{4 + 3}$

Step 3.7

Reduce the expression $\frac{20}{10 \cdot 8}$ by cancelling the common factors.

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Step 3.7.1

Factor $10$ out of $20$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{70 \sqrt{5} + 3 \sqrt{\frac{10 \cdot 2}{10 \cdot 8}} (4 + 3) + 7^{2} \cdot 3 (4 + 3) - 15 (4 + 3)}{4 + 3}$

Step 3.7.2

Factor $10$ out of $10 \cdot 8$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{70 \sqrt{5} + 3 \sqrt{\frac{10 \cdot 2}{10 (8)}} (4 + 3) + 7^{2} \cdot 3 (4 + 3) - 15 (4 + 3)}{4 + 3}$

Step 3.7.3

Cancel the common factor.

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{70 \sqrt{5} + 3 \sqrt{\frac{10 \cdot 2}{10 \cdot 8}} (4 + 3) + 7^{2} \cdot 3 (4 + 3) - 15 (4 + 3)}{4 + 3}$

Step 3.7.4

Rewrite the expression.

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{70 \sqrt{5} + 3 \sqrt{\frac{2}{8}} (4 + 3) + 7^{2} \cdot 3 (4 + 3) - 15 (4 + 3)}{4 + 3}$

Step 3.8

Cancel the common factor of $2$ and $8$ .

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Step 3.8.1

Factor $2$ out of $2$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{70 \sqrt{5} + 3 \sqrt{\frac{2 (1)}{8}} (4 + 3) + 7^{2} \cdot 3 (4 + 3) - 15 (4 + 3)}{4 + 3}$

Step 3.8.2

Cancel the common factors.

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Step 3.8.2.1

Factor $2$ out of $8$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{70 \sqrt{5} + 3 \sqrt{\frac{2 \cdot 1}{2 \cdot 4}} (4 + 3) + 7^{2} \cdot 3 (4 + 3) - 15 (4 + 3)}{4 + 3}$

Step 3.8.2.2

Cancel the common factor.

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{70 \sqrt{5} + 3 \sqrt{\frac{2 \cdot 1}{2 \cdot 4}} (4 + 3) + 7^{2} \cdot 3 (4 + 3) - 15 (4 + 3)}{4 + 3}$

Step 3.8.2.3

Rewrite the expression.

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{70 \sqrt{5} + 3 \sqrt{\frac{1}{4}} (4 + 3) + 7^{2} \cdot 3 (4 + 3) - 15 (4 + 3)}{4 + 3}$

Step 3.9

Rewrite $\sqrt{\frac{1}{4}}$ as $\frac{\sqrt{1}}{\sqrt{4}}$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{70 \sqrt{5} + 3 \frac{\sqrt{1}}{\sqrt{4}} (4 + 3) + 7^{2} \cdot 3 (4 + 3) - 15 (4 + 3)}{4 + 3}$

Step 3.10

Any root of $1$ is $1$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{70 \sqrt{5} + 3 \frac{1}{\sqrt{4}} (4 + 3) + 7^{2} \cdot 3 (4 + 3) - 15 (4 + 3)}{4 + 3}$

Step 3.11

Simplify the denominator.

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Step 3.11.1

Rewrite $4$ as $2^{2}$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{70 \sqrt{5} + 3 \frac{1}{\sqrt{2^{2}}} (4 + 3) + 7^{2} \cdot 3 (4 + 3) - 15 (4 + 3)}{4 + 3}$

Step 3.11.2

Pull terms out from under the radical, assuming positive real numbers.

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{70 \sqrt{5} + 3 (\frac{1}{2}) (4 + 3) + 7^{2} \cdot 3 (4 + 3) - 15 (4 + 3)}{4 + 3}$

Step 3.12

Combine $3$ and $\frac{1}{2}$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{70 \sqrt{5} + \frac{3}{2} (4 + 3) + 7^{2} \cdot 3 (4 + 3) - 15 (4 + 3)}{4 + 3}$

Step 3.13

Add $4$ and $3$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{70 \sqrt{5} + \frac{3}{2} \cdot 7 + 7^{2} \cdot 3 (4 + 3) - 15 (4 + 3)}{4 + 3}$

Step 3.14

Multiply $\frac{3}{2} \cdot 7$ .

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Step 3.14.1

Combine $\frac{3}{2}$ and $7$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{70 \sqrt{5} + \frac{3 \cdot 7}{2} + 7^{2} \cdot 3 (4 + 3) - 15 (4 + 3)}{4 + 3}$

Step 3.14.2

Multiply $3$ by $7$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{70 \sqrt{5} + \frac{21}{2} + 7^{2} \cdot 3 (4 + 3) - 15 (4 + 3)}{4 + 3}$

Step 3.15

Raise $7$ to the power of $2$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{70 \sqrt{5} + \frac{21}{2} + 49 \cdot 3 (4 + 3) - 15 (4 + 3)}{4 + 3}$

Step 3.16

Multiply $49$ by $3$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{70 \sqrt{5} + \frac{21}{2} + 147 (4 + 3) - 15 (4 + 3)}{4 + 3}$

Step 3.17

Add $4$ and $3$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{70 \sqrt{5} + \frac{21}{2} + 147 \cdot 7 - 15 (4 + 3)}{4 + 3}$

Step 3.18

Multiply $147$ by $7$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{70 \sqrt{5} + \frac{21}{2} + 1029 - 15 (4 + 3)}{4 + 3}$

Step 3.19

Add $4$ and $3$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{70 \sqrt{5} + \frac{21}{2} + 1029 - 15 \cdot 7}{4 + 3}$

Step 3.20

Multiply $- 15$ by $7$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{70 \sqrt{5} + \frac{21}{2} + 1029 - 105}{4 + 3}$

Step 4

Find the common denominator.

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Step 4.1

Write $70 \sqrt{5}$ as a fraction with denominator $1$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{\frac{70 \sqrt{5}}{1} + \frac{21}{2} + 1029 - 105}{4 + 3}$

Step 4.2

Multiply $\frac{70 \sqrt{5}}{1}$ by $\frac{2}{2}$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{\frac{70 \sqrt{5}}{1} \cdot \frac{2}{2} + \frac{21}{2} + 1029 - 105}{4 + 3}$

Step 4.3

Multiply $\frac{70 \sqrt{5}}{1}$ by $\frac{2}{2}$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{\frac{70 \sqrt{5} \cdot 2}{2} + \frac{21}{2} + 1029 - 105}{4 + 3}$

Step 4.4

Write $1029$ as a fraction with denominator $1$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{\frac{70 \sqrt{5} \cdot 2}{2} + \frac{21}{2} + \frac{1029}{1} - 105}{4 + 3}$

Step 4.5

Multiply $\frac{1029}{1}$ by $\frac{2}{2}$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{\frac{70 \sqrt{5} \cdot 2}{2} + \frac{21}{2} + \frac{1029}{1} \cdot \frac{2}{2} - 105}{4 + 3}$

Step 4.6

Multiply $\frac{1029}{1}$ by $\frac{2}{2}$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{\frac{70 \sqrt{5} \cdot 2}{2} + \frac{21}{2} + \frac{1029 \cdot 2}{2} - 105}{4 + 3}$

Step 4.7

Write $- 105$ as a fraction with denominator $1$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{\frac{70 \sqrt{5} \cdot 2}{2} + \frac{21}{2} + \frac{1029 \cdot 2}{2} + \frac{- 105}{1}}{4 + 3}$

Step 4.8

Multiply $\frac{- 105}{1}$ by $\frac{2}{2}$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{\frac{70 \sqrt{5} \cdot 2}{2} + \frac{21}{2} + \frac{1029 \cdot 2}{2} + \frac{- 105}{1} \cdot \frac{2}{2}}{4 + 3}$

Step 4.9

Multiply $\frac{- 105}{1}$ by $\frac{2}{2}$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{\frac{70 \sqrt{5} \cdot 2}{2} + \frac{21}{2} + \frac{1029 \cdot 2}{2} + \frac{- 105 \cdot 2}{2}}{4 + 3}$

Step 5

Combine the numerators over the common denominator.

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{\frac{70 \sqrt{5} \cdot 2 + 21 + 1029 \cdot 2 - 105 \cdot 2}{2}}{4 + 3}$

Step 6

Simplify each term.

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Step 6.1

Multiply $2$ by $70$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{\frac{140 \sqrt{5} + 21 + 1029 \cdot 2 - 105 \cdot 2}{2}}{4 + 3}$

Step 6.2

Multiply $1029$ by $2$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{\frac{140 \sqrt{5} + 21 + 2058 - 105 \cdot 2}{2}}{4 + 3}$

Step 6.3

Multiply $- 105$ by $2$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{\frac{140 \sqrt{5} + 21 + 2058 - 210}{2}}{4 + 3}$

Step 7

Simplify by adding and subtracting.

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Step 7.1

Add $21$ and $2058$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{\frac{140 \sqrt{5} + 2079 - 210}{2}}{4 + 3}$

Step 7.2

Subtract $210$ from $2079$ .

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{\frac{140 \sqrt{5} + 1869}{2}}{4 + 3}$

Step 8

Simplify each term.

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Step 8.1

Cancel the common factor of $4 + 3$ .

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Step 8.1.1

Cancel the common factor.

$\frac{87}{\frac{4 + 3}{4 + 3} (4 + 3)} + \frac{\frac{140 \sqrt{5} + 1869}{2}}{4 + 3}$

Step 8.1.2

Rewrite the expression.

$\frac{87}{1 (4 + 3)} + \frac{\frac{140 \sqrt{5} + 1869}{2}}{4 + 3}$

Step 8.2

Multiply $4 + 3$ by $1$ .

$\frac{87}{4 + 3} + \frac{\frac{140 \sqrt{5} + 1869}{2}}{4 + 3}$

Step 8.3

Add $4$ and $3$ .

$\frac{87}{7} + \frac{\frac{140 \sqrt{5} + 1869}{2}}{4 + 3}$

Step 8.4

Multiply the numerator by the reciprocal of the denominator.

$\frac{87}{7} + \frac{140 \sqrt{5} + 1869}{2} \cdot \frac{1}{4 + 3}$

Step 8.5

Add $4$ and $3$ .

$\frac{87}{7} + \frac{140 \sqrt{5} + 1869}{2} \cdot \frac{1}{7}$

Step 8.6

Multiply $\frac{140 \sqrt{5} + 1869}{2} \cdot \frac{1}{7}$ .

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Step 8.6.1

Multiply $\frac{140 \sqrt{5} + 1869}{2}$ by $\frac{1}{7}$ .

$\frac{87}{7} + \frac{140 \sqrt{5} + 1869}{2 \cdot 7}$

Step 8.6.2

Multiply $2$ by $7$ .

$\frac{87}{7} + \frac{140 \sqrt{5} + 1869}{14}$

Step 8.7

Cancel the common factor of $140 \sqrt{5} + 1869$ and $14$ .

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Step 8.7.1

Factor $7$ out of $140 \sqrt{5}$ .

$\frac{87}{7} + \frac{7 (20 \sqrt{5}) + 1869}{14}$

Step 8.7.2

Factor $7$ out of $1869$ .

$\frac{87}{7} + \frac{7 (20 \sqrt{5}) + 7 (267)}{14}$

Step 8.7.3

Factor $7$ out of $7 (20 \sqrt{5}) + 7 (267)$ .

$\frac{87}{7} + \frac{7 (20 \sqrt{5} + 267)}{14}$

Step 8.7.4

Cancel the common factors.

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Step 8.7.4.1

Factor $7$ out of $14$ .

$\frac{87}{7} + \frac{7 (20 \sqrt{5} + 267)}{7 (2)}$

Step 8.7.4.2

Cancel the common factor.

$\frac{87}{7} + \frac{7 (20 \sqrt{5} + 267)}{7 \cdot 2}$

Step 8.7.4.3

Rewrite the expression.

$\frac{87}{7} + \frac{20 \sqrt{5} + 267}{2}$

Step 9

To write $\frac{87}{7}$ as a fraction with a common denominator, multiply by $\frac{2}{2}$ .

$\frac{87}{7} \cdot \frac{2}{2} + \frac{20 \sqrt{5} + 267}{2}$

Step 10

To write $\frac{20 \sqrt{5} + 267}{2}$ as a fraction with a common denominator, multiply by $\frac{7}{7}$ .

$\frac{87}{7} \cdot \frac{2}{2} + \frac{20 \sqrt{5} + 267}{2} \cdot \frac{7}{7}$

Step 11

Write each expression with a common denominator of $14$ , by multiplying each by an appropriate factor of $1$ .

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Step 11.1

Multiply $\frac{87}{7}$ by $\frac{2}{2}$ .

$\frac{87 \cdot 2}{7 \cdot 2} + \frac{20 \sqrt{5} + 267}{2} \cdot \frac{7}{7}$

Step 11.2

Multiply $7$ by $2$ .

$\frac{87 \cdot 2}{14} + \frac{20 \sqrt{5} + 267}{2} \cdot \frac{7}{7}$

Step 11.3

Multiply $\frac{20 \sqrt{5} + 267}{2}$ by $\frac{7}{7}$ .

$\frac{87 \cdot 2}{14} + \frac{(20 \sqrt{5} + 267) \cdot 7}{2 \cdot 7}$

Step 11.4

Multiply $2$ by $7$ .

$\frac{87 \cdot 2}{14} + \frac{(20 \sqrt{5} + 267) \cdot 7}{14}$

Step 12

Combine the numerators over the common denominator.

$\frac{87 \cdot 2 + (20 \sqrt{5} + 267) \cdot 7}{14}$

Step 13

Simplify the numerator.

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Step 13.1

Multiply $87$ by $2$ .

$\frac{174 + (20 \sqrt{5} + 267) \cdot 7}{14}$

Step 13.2

Apply the distributive property.

$\frac{174 + 20 \sqrt{5} \cdot 7 + 267 \cdot 7}{14}$

Step 13.3

Multiply $7$ by $20$ .

$\frac{174 + 140 \sqrt{5} + 267 \cdot 7}{14}$

Step 13.4

Multiply $267$ by $7$ .

$\frac{174 + 140 \sqrt{5} + 1869}{14}$

Step 13.5

Add $174$ and $1869$ .

$\frac{2043 + 140 \sqrt{5}}{14}$

Step 14

The result can be shown in multiple forms.

Exact Form:

$\frac{2043 + 140 \sqrt{5}}{14}$

Decimal Form:

$168.28925120 \dots$