Basic Math Examples

$- \frac{1}{4} \cdot (20 \cdot - 16)$

Step 1

Cancel the common factor of $4$ .

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Step 1.1

Move the leading negative in $- \frac{1}{4}$ into the numerator.

$\frac{- 1}{4} \cdot (20 \cdot - 16)$

Step 1.2

Factor $4$ out of $20 \cdot - 16$ .

$\frac{- 1}{4} \cdot (4 (5 \cdot - 16))$

Step 1.3

Cancel the common factor.

$\frac{- 1}{4} \cdot (4 (5 \cdot - 16))$

Step 1.4

Rewrite the expression.

$- 1 \cdot (5 \cdot - 16)$

Step 2

Multiply.

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Step 2.1

Multiply $5$ by $- 16$ .

$- 1 \cdot - 80$

Step 2.2

Multiply $- 1$ by $- 80$ .

$80$