Pre-Algebra Examples

$\frac{1}{3} + - \frac{2}{3}$

Step 1

Replace all occurrences of $+$ $-$ with a single $-$ . A plus sign followed by a minus sign has the same mathematical meaning as a single minus sign because $1 \cdot - 1 = - 1$

$\frac{1}{3} - \frac{2}{3}$

Step 2

Combine the numerators over the common denominator.

$\frac{1 - 2}{3}$

Step 3

Simplify the expression.

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Step 3.1

Subtract $2$ from $1$ .

$\frac{- 1}{3}$

Step 3.2

Move the negative in front of the fraction.

$- \frac{1}{3}$

Step 4

The result can be shown in multiple forms.

Exact Form:

$- \frac{1}{3}$

Decimal Form:

$- 0.\overline{3}$