Basic Math Examples

$\frac{m - 9}{3 (m - 9)} \div \frac{1}{3 (m + 9)}$

Step 1

To divide by a fraction, multiply by its reciprocal.

$\frac{m - 9}{3 (m - 9)} (3 (m + 9))$

Step 2

Rewrite using the commutative property of multiplication.

$3 \frac{m - 9}{3 (m - 9)} (m + 9)$

Step 3

Cancel the common factor of $3$ .

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Step 3.1

Cancel the common factor.

$3 \frac{m - 9}{3 (m - 9)} (m + 9)$

Step 3.2

Rewrite the expression.

$\frac{m - 9}{m - 9} (m + 9)$

Step 4

Cancel the common factor of $m - 9$ .

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Step 4.1

Cancel the common factor.

$\frac{m - 9}{m - 9} (m + 9)$

Step 4.2

Rewrite the expression.

$1 (m + 9)$

Step 5

Multiply $m + 9$ by $1$ .

$m + 9$