Basic Math Examples

$- \frac{10}{9} \cdot \frac{9}{10}$

Step 1

Cancel the common factor of $10$ .

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Step 1.1

Move the leading negative in $- \frac{10}{9}$ into the numerator.

$\frac{- 10}{9} \cdot \frac{9}{10}$

Step 1.2

Factor $10$ out of $- 10$ .

$\frac{10 (- 1)}{9} \cdot \frac{9}{10}$

Step 1.3

Cancel the common factor.

$\frac{10 \cdot - 1}{9} \cdot \frac{9}{10}$

Step 1.4

Rewrite the expression.

$\frac{- 1}{9} \cdot 9$

Step 2

Cancel the common factor of $9$ .

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Step 2.1

Cancel the common factor.

$\frac{- 1}{9} \cdot 9$

Step 2.2

Rewrite the expression.

$- 1$