Basic Math Examples

$3 (\frac{4}{5} - 8)$

Step 1

To write $- 8$ as a fraction with a common denominator, multiply by $\frac{5}{5}$ .

$3 (\frac{4}{5} - 8 \cdot \frac{5}{5})$

Step 2

Combine $- 8$ and $\frac{5}{5}$ .

$3 (\frac{4}{5} + \frac{- 8 \cdot 5}{5})$

Step 3

Combine the numerators over the common denominator.

$3 \frac{4 - 8 \cdot 5}{5}$

Step 4

Simplify the numerator.

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Step 4.1

Multiply $- 8$ by $5$ .

$3 \frac{4 - 40}{5}$

Step 4.2

Subtract $40$ from $4$ .

$3 (\frac{- 36}{5})$

Step 5

Move the negative in front of the fraction.

$3 (- \frac{36}{5})$

Step 6

Multiply $3 (- \frac{36}{5})$ .

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Step 6.1

Multiply $- 1$ by $3$ .

$- 3 (\frac{36}{5})$

Step 6.2

Combine $- 3$ and $\frac{36}{5}$ .

$\frac{- 3 \cdot 36}{5}$

Step 6.3

Multiply $- 3$ by $36$ .

$\frac{- 108}{5}$

Step 7

Move the negative in front of the fraction.

$- \frac{108}{5}$

Step 8

The result can be shown in multiple forms.

Exact Form:

$- \frac{108}{5}$

Decimal Form:

$- 21.6$

Mixed Number Form:

$- 21 \frac{3}{5}$