Pre-Algebra Examples

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

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 $1 \cdot - 1 = - 1$

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

Step 2

Combine the numerators over the common denominator.

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

Step 3

Simplify the expression.

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Step 3.1

Subtract $4$ from $- 3$ .

$\frac{- 7}{5}$

Step 3.2

Move the negative in front of the fraction.

$- \frac{7}{5}$

Step 4

The result can be shown in multiple forms.

Exact Form:

$- \frac{7}{5}$

Decimal Form:

$- 1.4$

Mixed Number Form:

$- 1 \frac{2}{5}$