Basic Math Examples

$\frac{25 a^{3} (b - 1)}{3^{2}} \div \frac{5 c d^{3}}{27 a b} \div \frac{5 a^{3} (1 - b)}{3 c^{3} d^{4}}$

Step 1

To divide by a fraction, multiply by its reciprocal.

$\frac{25 a^{3} (b - 1)}{3^{2}} \div \frac{5 c d^{3}}{27 a b} \cdot \frac{3 c^{3} d^{4}}{5 a^{3} (1 - b)}$

Step 2

Combine fractions.

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Step 2.1

Combine.

$\frac{\frac{25 a^{3} (b - 1)}{3^{2}} (3 c^{3} d^{4})}{\frac{5 c d^{3}}{27 a b} (5 a^{3} (1 - b))}$

Step 2.2

Raise $3$ to the power of $2$ .

$\frac{\frac{25 a^{3} (b - 1)}{9} \cdot 3 c^{3} d^{4}}{\frac{5 c d^{3}}{27 a b} (5 a^{3} (1 - b))}$

Step 3

Simplify the numerator.

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Step 3.1

Combine $\frac{25 a^{3} (b - 1)}{9}$ and $3$ .

$\frac{\frac{25 a^{3} (b - 1) \cdot 3}{9} c^{3} d^{4}}{\frac{5 c d^{3}}{27 a b} (5 a^{3} (1 - b))}$

Step 3.2

Combine $\frac{25 a^{3} (b - 1) \cdot 3}{9}$ and $c^{3}$ .

$\frac{\frac{25 a^{3} (b - 1) \cdot 3 c^{3}}{9} d^{4}}{\frac{5 c d^{3}}{27 a b} (5 a^{3} (1 - b))}$

Step 3.3

Combine $\frac{25 a^{3} (b - 1) \cdot 3 c^{3}}{9}$ and $d^{4}$ .

$\frac{\frac{25 a^{3} (b - 1) \cdot 3 c^{3} d^{4}}{9}}{\frac{5 c d^{3}}{27 a b} (5 a^{3} (1 - b))}$

Step 4

Simplify the denominator.

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Step 4.1

Combine $5$ and $\frac{5 c d^{3}}{27 a b}$ .

$\frac{\frac{25 a^{3} (b - 1) \cdot 3 c^{3} d^{4}}{9}}{\frac{5 (5 c d^{3})}{27 a b} (a^{3} (1 - b))}$

Step 4.2

Combine $a^{3}$ and $\frac{5 (5 c d^{3})}{27 a b}$ .

$\frac{\frac{25 a^{3} (b - 1) \cdot 3 c^{3} d^{4}}{9}}{\frac{a^{3} (5 (5 c d^{3}))}{27 a b} (1 - b)}$

Step 5

Multiply $3$ by $25$ .

$\frac{\frac{75 a^{3} (b - 1) c^{3} d^{4}}{9}}{\frac{a^{3} (5 (5 c d^{3}))}{27 a b} (1 - b)}$

Step 6

Multiply $5$ by $5$ by adding the exponents.

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Step 6.1

Move $5$ .

$\frac{\frac{75 a^{3} (b - 1) c^{3} d^{4}}{9}}{\frac{a^{3} \cdot (5 \cdot 5) c d^{3}}{27 a b} (1 - b)}$

Step 6.2

Multiply $5$ by $5$ .

$\frac{\frac{75 a^{3} (b - 1) c^{3} d^{4}}{9}}{\frac{a^{3} \cdot 5^{2} c d^{3}}{27 a b} (1 - b)}$

Step 7

Reduce the expression by cancelling the common factors.

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Step 7.1

Raise $5$ to the power of $2$ .

$\frac{\frac{75 a^{3} (b - 1) c^{3} d^{4}}{9}}{\frac{a^{3} \cdot 25 c d^{3}}{27 a b} (1 - b)}$

Step 7.2

Reduce the expression $\frac{75 a^{3} (b - 1) c^{3} d^{4}}{9}$ by cancelling the common factors.

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Step 7.2.1

Factor $3$ out of $75 a^{3} (b - 1) c^{3} d^{4}$ .

$\frac{\frac{3 (25 a^{3} (b - 1) c^{3} d^{4})}{9}}{\frac{a^{3} \cdot 25 c d^{3}}{27 a b} (1 - b)}$

Step 7.2.2

Factor $3$ out of $9$ .

$\frac{\frac{3 (25 a^{3} (b - 1) c^{3} d^{4})}{3 (3)}}{\frac{a^{3} \cdot 25 c d^{3}}{27 a b} (1 - b)}$

Step 7.2.3

Cancel the common factor.

$\frac{\frac{3 (25 a^{3} (b - 1) c^{3} d^{4})}{3 \cdot 3}}{\frac{a^{3} \cdot 25 c d^{3}}{27 a b} (1 - b)}$

Step 7.2.4

Rewrite the expression.

$\frac{\frac{25 a^{3} (b - 1) c^{3} d^{4}}{3}}{\frac{a^{3} \cdot 25 c d^{3}}{27 a b} (1 - b)}$

Step 8

Simplify the denominator.

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Step 8.1

Reduce the expression $\frac{a^{3} \cdot 25 c d^{3}}{27 a b}$ by cancelling the common factors.

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Step 8.1.1

Factor $a$ out of $a^{3} \cdot 25 c d^{3}$ .

$\frac{\frac{25 a^{3} (b - 1) c^{3} d^{4}}{3}}{\frac{a (a^{2} \cdot 25 c d^{3})}{27 a b} (1 - b)}$

Step 8.1.2

Factor $a$ out of $27 a b$ .

$\frac{\frac{25 a^{3} (b - 1) c^{3} d^{4}}{3}}{\frac{a (a^{2} \cdot 25 c d^{3})}{a (27 b)} (1 - b)}$

Step 8.1.3

Cancel the common factor.

$\frac{\frac{25 a^{3} (b - 1) c^{3} d^{4}}{3}}{\frac{a (a^{2} \cdot 25 c d^{3})}{a (27 b)} (1 - b)}$

Step 8.1.4

Rewrite the expression.

$\frac{\frac{25 a^{3} (b - 1) c^{3} d^{4}}{3}}{\frac{a^{2} \cdot 25 c d^{3}}{27 b} (1 - b)}$

Step 8.2

Move $25$ to the left of $a^{2}$ .

$\frac{\frac{25 a^{3} (b - 1) c^{3} d^{4}}{3}}{\frac{25 a^{2} c d^{3}}{27 b} (1 - b)}$

Step 9

Multiply the numerator by the reciprocal of the denominator.

$\frac{25 a^{3} (b - 1) c^{3} d^{4}}{3} \cdot \frac{1}{\frac{25 a^{2} c d^{3}}{27 b} (1 - b)}$

Step 10

Simplify terms.

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Step 10.1

Combine.

$\frac{25 a^{3} (b - 1) c^{3} d^{4} \cdot 1}{3 (\frac{25 a^{2} c d^{3}}{27 b} (1 - b))}$

Step 10.2

Cancel the common factor of $b - 1$ and $1 - b$ .

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Step 10.2.1

Factor $- 1$ out of $b$ .

$\frac{25 a^{3} (- 1 (- b) - 1) c^{3} d^{4} \cdot 1}{3 (\frac{25 a^{2} c d^{3}}{27 b} (1 - b))}$

Step 10.2.2

Rewrite $- 1$ as $- 1 (1)$ .

$\frac{25 a^{3} (- 1 (- b) - 1 (1)) c^{3} d^{4} \cdot 1}{3 (\frac{25 a^{2} c d^{3}}{27 b} (1 - b))}$

Step 10.2.3

Factor $- 1$ out of $- 1 (- b) - 1 (1)$ .

$\frac{25 a^{3} (- 1 (- b + 1)) c^{3} d^{4} \cdot 1}{3 (\frac{25 a^{2} c d^{3}}{27 b} (1 - b))}$

Step 10.2.4

Reorder terms.

$\frac{25 a^{3} (- 1 (- b + 1)) c^{3} d^{4} \cdot 1}{3 \frac{25 a^{2} c d^{3}}{27 b} (- b + 1)}$

Step 10.2.5

Cancel the common factor.

$\frac{25 a^{3} (- 1 (- b + 1)) c^{3} d^{4} \cdot 1}{3 \frac{25 a^{2} c d^{3}}{27 b} (- b + 1)}$

Step 10.2.6

Rewrite the expression.

$\frac{25 a^{3} \cdot (- 1) c^{3} d^{4} \cdot 1}{3 \frac{25 a^{2} c d^{3}}{27 b}}$

Step 11

Simplify the numerator.

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Step 11.1

Multiply $- 1$ by $25$ .

$\frac{- 25 a^{3} c^{3} d^{4} \cdot 1}{3 \frac{25 a^{2} c d^{3}}{27 b}}$

Step 11.2

Multiply $- 25$ by $1$ .

$\frac{- 25 a^{3} c^{3} d^{4}}{3 \frac{25 a^{2} c d^{3}}{27 b}}$

Step 12

Combine $3$ and $\frac{25 a^{2} c d^{3}}{27 b}$ .

$\frac{- 25 a^{3} c^{3} d^{4}}{\frac{3 (25 a^{2} c d^{3})}{27 b}}$

Step 13

Multiply $3$ by $25$ .

$\frac{- 25 a^{3} c^{3} d^{4}}{\frac{75 a^{2} c d^{3}}{27 b}}$

Step 14

Reduce the expression $\frac{75 a^{2} c d^{3}}{27 b}$ by cancelling the common factors.

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Step 14.1

Factor $3$ out of $75 a^{2} c d^{3}$ .

$\frac{- 25 a^{3} c^{3} d^{4}}{\frac{3 (25 a^{2} c d^{3})}{27 b}}$

Step 14.2

Factor $3$ out of $27 b$ .

$\frac{- 25 a^{3} c^{3} d^{4}}{\frac{3 (25 a^{2} c d^{3})}{3 (9 b)}}$

Step 14.3

Cancel the common factor.

$\frac{- 25 a^{3} c^{3} d^{4}}{\frac{3 (25 a^{2} c d^{3})}{3 (9 b)}}$

Step 14.4

Rewrite the expression.

$\frac{- 25 a^{3} c^{3} d^{4}}{\frac{25 a^{2} c d^{3}}{9 b}}$

Step 15

Multiply the numerator by the reciprocal of the denominator.

$- 25 a^{3} c^{3} d^{4} \frac{9 b}{25 a^{2} c d^{3}}$

Step 16

Cancel the common factor of $25 a^{2} c d^{3}$ .

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Step 16.1

Factor $25 a^{2} c d^{3}$ out of $- 25 a^{3} c^{3} d^{4}$ .

$25 a^{2} c d^{3} (- a c^{2} d) \frac{9 b}{25 a^{2} c d^{3}}$

Step 16.2

Cancel the common factor.

$25 a^{2} c d^{3} (- a c^{2} d) \frac{9 b}{25 a^{2} c d^{3}}$

Step 16.3

Rewrite the expression.

$- a c^{2} d (9 b)$

Step 17

Multiply $9$ by $- 1$ .

$- 9 a c^{2} d b$