Evaluate -(4/5)/(-20/21)

$- \frac{\frac{4}{5}}{- \frac{20}{21}}$

Multiply the numerator by the reciprocal of the denominator.

$- (\frac{4}{5} (- \frac{21}{20}))$

Cancel the common factor of $4$ .

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Move the leading negative in $- \frac{21}{20}$ into the numerator.

$- (\frac{4}{5} \cdot \frac{- 21}{20})$

Factor $4$ out of $20$ .

$- (\frac{4}{5} \cdot \frac{- 21}{4 (5)})$

Cancel the common factor.

$- (\frac{4}{5} \cdot \frac{- 21}{4 \cdot 5})$

Rewrite the expression.

$- (\frac{1}{5} \cdot \frac{- 21}{5})$

Multiply $\frac{1}{5}$ and $\frac{- 21}{5}$ .

$- \frac{- 21}{5 \cdot 5}$

Simplify the expression.

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Multiply $5$ by $5$ .

$- \frac{- 21}{25}$

Move the negative in front of the fraction.

$- - \frac{21}{25}$

Multiply $- - \frac{21}{25}$ .

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Multiply $- 1$ by $- 1$ .

$1 (\frac{21}{25})$

Multiply $\frac{21}{25}$ by $1$ .

$\frac{21}{25}$

The result can be shown in multiple forms.

Exact Form:

$\frac{21}{25}$

Decimal Form:

$0.84$

Evaluate -(4/5)/(-20/21)

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