Basic Math Examples

$\frac{- 1}{\frac{2}{4}}$

Step 1

Cancel the common factor of $2$ and $4$ .

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Step 1.1

Factor $2$ out of $2$ .

$\frac{- 1}{\frac{2 (1)}{4}}$

Step 1.2

Cancel the common factors.

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Step 1.2.1

Factor $2$ out of $4$ .

$\frac{- 1}{\frac{2 \cdot 1}{2 \cdot 2}}$

Step 1.2.2

Cancel the common factor.

$\frac{- 1}{\frac{2 \cdot 1}{2 \cdot 2}}$

Step 1.2.3

Rewrite the expression.

$\frac{- 1}{\frac{1}{2}}$

Step 2

Multiply the numerator by the reciprocal of the denominator.

$- 1 \cdot 2$

Step 3

Multiply $- 1$ by $2$ .

$- 2$