Basic Math Examples

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

Step 1

Remove parentheses.

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

Step 2

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

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Step 2.1

Rewrite $- 1 (\frac{16}{5})$ as $- (\frac{16}{5})$ .

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

Step 2.2

Multiply $- \frac{4}{5} (- \frac{16}{5})$ .

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Step 2.2.1

Multiply $- 1$ by $- 1$ .

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

Step 2.2.2

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

$y = \frac{4}{5} \cdot \frac{16}{5} \cdot 4$

Step 2.2.3

Multiply $\frac{4}{5}$ by $\frac{16}{5}$ .

$y = \frac{4 \cdot 16}{5 \cdot 5} \cdot 4$

Step 2.2.4

Multiply $4$ by $16$ .

$y = \frac{64}{5 \cdot 5} \cdot 4$

Step 2.2.5

Multiply $5$ by $5$ .

$y = \frac{64}{25} \cdot 4$

Step 2.3

Multiply $\frac{64}{25} \cdot 4$ .

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Step 2.3.1

Combine $\frac{64}{25}$ and $4$ .

$y = \frac{64 \cdot 4}{25}$

Step 2.3.2

Multiply $64$ by $4$ .

$y = \frac{256}{25}$

Step 3

The result can be shown in multiple forms.

Exact Form:

$y = \frac{256}{25}$

Decimal Form:

$y = 10.24$

Mixed Number Form:

$y = 10 \frac{6}{25}$