Pre-Algebra Examples

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

Step 1

To divide by a fraction, multiply by its reciprocal.

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

Step 2

Cancel the common factor of $20$ .

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Step 2.1

Cancel the common factor.

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

Step 2.2

Rewrite the expression.

$- 1 \cdot 1 (- \frac{5}{4})$

Step 3

Multiply $- 1$ by $1$ .

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

Step 4

Multiply $- - \frac{5}{4}$ .

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Step 4.1

Multiply $- 1$ by $- 1$ .

$1 (\frac{5}{4})$

Step 4.2

Multiply $\frac{5}{4}$ by $1$ .

$\frac{5}{4}$

Step 5

The result can be shown in multiple forms.

Exact Form:

$\frac{5}{4}$

Decimal Form:

$1.25$

Mixed Number Form:

$1 \frac{1}{4}$