Basic Math Examples

$\frac{y}{y + 5} + \frac{3}{11 y} \div \frac{y}{7 y + 35} + \frac{6}{y}$

Step 1

Simplify each term.

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Step 1.1

To divide by a fraction, multiply by its reciprocal.

$\frac{y}{y + 5} + \frac{3}{11 y} \cdot \frac{7 y + 35}{y} + \frac{6}{y}$

Step 1.2

Factor $7$ out of $7 y + 35$ .

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Step 1.2.1

Factor $7$ out of $7 y$ .

$\frac{y}{y + 5} + \frac{3}{11 y} \cdot \frac{7 (y) + 35}{y} + \frac{6}{y}$

Step 1.2.2

Factor $7$ out of $35$ .

$\frac{y}{y + 5} + \frac{3}{11 y} \cdot \frac{7 y + 7 \cdot 5}{y} + \frac{6}{y}$

Step 1.2.3

Factor $7$ out of $7 y + 7 \cdot 5$ .

$\frac{y}{y + 5} + \frac{3}{11 y} \cdot \frac{7 (y + 5)}{y} + \frac{6}{y}$

Step 1.3

Multiply $\frac{3}{11 y} \cdot \frac{7 (y + 5)}{y}$ .

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Step 1.3.1

Multiply $\frac{3}{11 y}$ by $\frac{7 (y + 5)}{y}$ .

$\frac{y}{y + 5} + \frac{3 (7 (y + 5))}{11 y \cdot y} + \frac{6}{y}$

Step 1.3.2

Multiply $7$ by $3$ .

$\frac{y}{y + 5} + \frac{21 (y + 5)}{11 y \cdot y} + \frac{6}{y}$

Step 1.3.3

Raise $y$ to the power of $1$ .

$\frac{y}{y + 5} + \frac{21 (y + 5)}{11 (y^{1} y)} + \frac{6}{y}$

Step 1.3.4

Raise $y$ to the power of $1$ .

$\frac{y}{y + 5} + \frac{21 (y + 5)}{11 (y^{1} y^{1})} + \frac{6}{y}$

Step 1.3.5

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{y}{y + 5} + \frac{21 (y + 5)}{11 y^{1 + 1}} + \frac{6}{y}$

Step 1.3.6

Add $1$ and $1$ .

$\frac{y}{y + 5} + \frac{21 (y + 5)}{11 y^{2}} + \frac{6}{y}$

Step 2

To write $\frac{y}{y + 5}$ as a fraction with a common denominator, multiply by $\frac{11 y^{2}}{11 y^{2}}$ .

$\frac{y}{y + 5} \cdot \frac{11 y^{2}}{11 y^{2}} + \frac{21 (y + 5)}{11 y^{2}} + \frac{6}{y}$

Step 3

To write $\frac{21 (y + 5)}{11 y^{2}}$ as a fraction with a common denominator, multiply by $\frac{y + 5}{y + 5}$ .

$\frac{y}{y + 5} \cdot \frac{11 y^{2}}{11 y^{2}} + \frac{21 (y + 5)}{11 y^{2}} \cdot \frac{y + 5}{y + 5} + \frac{6}{y}$

Step 4

Write each expression with a common denominator of $(y + 5) \cdot 11 y^{2}$ , by multiplying each by an appropriate factor of $1$ .

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Step 4.1

Multiply $\frac{y}{y + 5}$ by $\frac{11 y^{2}}{11 y^{2}}$ .

$\frac{y (11 y^{2})}{(y + 5) (11 y^{2})} + \frac{21 (y + 5)}{11 y^{2}} \cdot \frac{y + 5}{y + 5} + \frac{6}{y}$

Step 4.2

Multiply $\frac{21 (y + 5)}{11 y^{2}}$ by $\frac{y + 5}{y + 5}$ .

$\frac{y (11 y^{2})}{(y + 5) (11 y^{2})} + \frac{21 (y + 5) (y + 5)}{11 y^{2} (y + 5)} + \frac{6}{y}$

Step 4.3

Reorder the factors of $(y + 5) (11 y^{2})$ .

$\frac{y (11 y^{2})}{11 y^{2} (y + 5)} + \frac{21 (y + 5) (y + 5)}{11 y^{2} (y + 5)} + \frac{6}{y}$

Step 5

Combine the numerators over the common denominator.

$\frac{y (11 y^{2}) + 21 (y + 5) (y + 5)}{11 y^{2} (y + 5)} + \frac{6}{y}$

Step 6

Simplify the numerator.

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Step 6.1

Rewrite using the commutative property of multiplication.

$\frac{11 y \cdot y^{2} + 21 (y + 5) (y + 5)}{11 y^{2} (y + 5)} + \frac{6}{y}$

Step 6.2

Multiply $y$ by $y^{2}$ by adding the exponents.

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Step 6.2.1

Move $y^{2}$ .

$\frac{11 (y^{2} y) + 21 (y + 5) (y + 5)}{11 y^{2} (y + 5)} + \frac{6}{y}$

Step 6.2.2

Multiply $y^{2}$ by $y$ .

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Step 6.2.2.1

Raise $y$ to the power of $1$ .

$\frac{11 (y^{2} y^{1}) + 21 (y + 5) (y + 5)}{11 y^{2} (y + 5)} + \frac{6}{y}$

Step 6.2.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{11 y^{2 + 1} + 21 (y + 5) (y + 5)}{11 y^{2} (y + 5)} + \frac{6}{y}$

Step 6.2.3

Add $2$ and $1$ .

$\frac{11 y^{3} + 21 (y + 5) (y + 5)}{11 y^{2} (y + 5)} + \frac{6}{y}$

Step 6.3

Apply the distributive property.

$\frac{11 y^{3} + (21 y + 21 \cdot 5) (y + 5)}{11 y^{2} (y + 5)} + \frac{6}{y}$

Step 6.4

Multiply $21$ by $5$ .

$\frac{11 y^{3} + (21 y + 105) (y + 5)}{11 y^{2} (y + 5)} + \frac{6}{y}$

Step 6.5

Expand $(21 y + 105) (y + 5)$ using the FOIL Method.

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Step 6.5.1

Apply the distributive property.

$\frac{11 y^{3} + 21 y (y + 5) + 105 (y + 5)}{11 y^{2} (y + 5)} + \frac{6}{y}$

Step 6.5.2

Apply the distributive property.

$\frac{11 y^{3} + 21 y \cdot y + 21 y \cdot 5 + 105 (y + 5)}{11 y^{2} (y + 5)} + \frac{6}{y}$

Step 6.5.3

Apply the distributive property.

$\frac{11 y^{3} + 21 y \cdot y + 21 y \cdot 5 + 105 y + 105 \cdot 5}{11 y^{2} (y + 5)} + \frac{6}{y}$

Step 6.6

Simplify and combine like terms.

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Step 6.6.1

Simplify each term.

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Step 6.6.1.1

Multiply $y$ by $y$ by adding the exponents.

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Step 6.6.1.1.1

Move $y$ .

$\frac{11 y^{3} + 21 (y \cdot y) + 21 y \cdot 5 + 105 y + 105 \cdot 5}{11 y^{2} (y + 5)} + \frac{6}{y}$

Step 6.6.1.1.2

Multiply $y$ by $y$ .

$\frac{11 y^{3} + 21 y^{2} + 21 y \cdot 5 + 105 y + 105 \cdot 5}{11 y^{2} (y + 5)} + \frac{6}{y}$

Step 6.6.1.2

Multiply $5$ by $21$ .

$\frac{11 y^{3} + 21 y^{2} + 105 y + 105 y + 105 \cdot 5}{11 y^{2} (y + 5)} + \frac{6}{y}$

Step 6.6.1.3

Multiply $105$ by $5$ .

$\frac{11 y^{3} + 21 y^{2} + 105 y + 105 y + 525}{11 y^{2} (y + 5)} + \frac{6}{y}$

Step 6.6.2

Add $105 y$ and $105 y$ .

$\frac{11 y^{3} + 21 y^{2} + 210 y + 525}{11 y^{2} (y + 5)} + \frac{6}{y}$

Step 7

To write $\frac{6}{y}$ as a fraction with a common denominator, multiply by $\frac{11 (y + 5) y}{11 (y + 5) y}$ .

$\frac{11 y^{3} + 21 y^{2} + 210 y + 525}{11 y^{2} (y + 5)} + \frac{6}{y} \cdot \frac{11 (y + 5) y}{11 (y + 5) y}$

Step 8

Write each expression with a common denominator of $11 (y + 5) y^{2}$ , by multiplying each by an appropriate factor of $1$ .

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Step 8.1

Multiply $\frac{6}{y}$ by $\frac{11 (y + 5) y}{11 (y + 5) y}$ .

$\frac{11 y^{3} + 21 y^{2} + 210 y + 525}{11 y^{2} (y + 5)} + \frac{6 (11 (y + 5) y)}{y (11 (y + 5) y)}$

Step 8.2

Raise $y$ to the power of $1$ .

$\frac{11 y^{3} + 21 y^{2} + 210 y + 525}{11 y^{2} (y + 5)} + \frac{6 (11 (y + 5) y)}{y^{1} y (11 (y + 5))}$

Step 8.3

Raise $y$ to the power of $1$ .

$\frac{11 y^{3} + 21 y^{2} + 210 y + 525}{11 y^{2} (y + 5)} + \frac{6 (11 (y + 5) y)}{y^{1} y^{1} (11 (y + 5))}$

Step 8.4

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{11 y^{3} + 21 y^{2} + 210 y + 525}{11 y^{2} (y + 5)} + \frac{6 (11 (y + 5) y)}{y^{1 + 1} (11 (y + 5))}$

Step 8.5

Add $1$ and $1$ .

$\frac{11 y^{3} + 21 y^{2} + 210 y + 525}{11 y^{2} (y + 5)} + \frac{6 (11 (y + 5) y)}{y^{2} (11 (y + 5))}$

Step 8.6

Reorder the factors of $y^{2} (11 (y + 5))$ .

$\frac{11 y^{3} + 21 y^{2} + 210 y + 525}{11 y^{2} (y + 5)} + \frac{6 (11 (y + 5) y)}{11 y^{2} (y + 5)}$

Step 9

Combine the numerators over the common denominator.

$\frac{11 y^{3} + 21 y^{2} + 210 y + 525 + 6 (11 (y + 5) y)}{11 y^{2} (y + 5)}$

Step 10

Simplify the numerator.

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Step 10.1

Multiply $6$ by $11$ .

$\frac{11 y^{3} + 21 y^{2} + 210 y + 525 + 66 (y + 5) y}{11 y^{2} (y + 5)}$

Step 10.2

Apply the distributive property.

$\frac{11 y^{3} + 21 y^{2} + 210 y + 525 + (66 y + 66 \cdot 5) y}{11 y^{2} (y + 5)}$

Step 10.3

Multiply $66$ by $5$ .

$\frac{11 y^{3} + 21 y^{2} + 210 y + 525 + (66 y + 330) y}{11 y^{2} (y + 5)}$

Step 10.4

Apply the distributive property.

$\frac{11 y^{3} + 21 y^{2} + 210 y + 525 + 66 y \cdot y + 330 y}{11 y^{2} (y + 5)}$

Step 10.5

Multiply $y$ by $y$ by adding the exponents.

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Step 10.5.1

Move $y$ .

$\frac{11 y^{3} + 21 y^{2} + 210 y + 525 + 66 (y \cdot y) + 330 y}{11 y^{2} (y + 5)}$

Step 10.5.2

Multiply $y$ by $y$ .

$\frac{11 y^{3} + 21 y^{2} + 210 y + 525 + 66 y^{2} + 330 y}{11 y^{2} (y + 5)}$

Step 10.6

Add $21 y^{2}$ and $66 y^{2}$ .

$\frac{11 y^{3} + 87 y^{2} + 210 y + 525 + 330 y}{11 y^{2} (y + 5)}$

Step 10.7

Add $210 y$ and $330 y$ .

$\frac{11 y^{3} + 87 y^{2} + 540 y + 525}{11 y^{2} (y + 5)}$