Basic Math Examples

$- \frac{1}{5} \cdot 390 + 156$

Step 1

Simplify each term.

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Step 1.1

Cancel the common factor of $5$ .

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Step 1.1.1

Move the leading negative in $- \frac{1}{5}$ into the numerator.

$\frac{- 1}{5} \cdot 390 + 156$

Step 1.1.2

Factor $5$ out of $390$ .

$\frac{- 1}{5} \cdot (5 (78)) + 156$

Step 1.1.3

Cancel the common factor.

$\frac{- 1}{5} \cdot (5 \cdot 78) + 156$

Step 1.1.4

Rewrite the expression.

$- 1 \cdot 78 + 156$

Step 1.2

Multiply $- 1$ by $78$ .

$- 78 + 156$

Step 2

Add $- 78$ and $156$ .

$78$