Precalculus Examples

$\frac{1}{- \frac{1}{3}}$

Step 1

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

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Step 1.1

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

$\frac{- 1 (- 1)}{- \frac{1}{3}}$

Step 1.2

Move the negative in front of the fraction.

$- \frac{1}{\frac{1}{3}}$

Step 2

Multiply the numerator by the reciprocal of the denominator.

$- (1 \cdot 3)$

Step 3

Multiply $- (1 \cdot 3)$ .

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Step 3.1

Multiply $3$ by $1$ .

$- 1 \cdot 3$

Step 3.2

Multiply $- 1$ by $3$ .

$- 3$