Basic Math Examples

$- \frac{1}{7} - (- \frac{2}{7})$

Step 1

Multiply $- (- \frac{2}{7})$ .

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Step 1.1

Multiply $- 1$ by $- 1$ .

$- \frac{1}{7} + 1 (\frac{2}{7})$

Step 1.2

Multiply $\frac{2}{7}$ by $1$ .

$- \frac{1}{7} + \frac{2}{7}$

Step 2

Combine the numerators over the common denominator.

$\frac{- 1 + 2}{7}$

Step 3

Add $- 1$ and $2$ .

$\frac{1}{7}$

Step 4

The result can be shown in multiple forms.

Exact Form:

$\frac{1}{7}$

Decimal Form:

$0.\overline{142857}$