Find the Reciprocal -1/21

$- \frac{1}{21}$

Step 1

To find the reciprocal, divide $1$ by the number given.

$\frac{1}{- \frac{1}{21}}$

Step 2

Simplify.

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

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

$\frac{- 1 (- 1)}{- \frac{1}{21}}$

Move the negative in front of the fraction.

$- \frac{1}{\frac{1}{21}}$

Multiply the numerator by the reciprocal of the denominator.

$- (1 \cdot 21)$

Multiply $- (1 \cdot 21)$ .

Multiply $21$ by $1$ .

$- 1 \cdot 21$

Multiply $- 1$ by $21$ .

$- 21$