# Calculate: -/(1) 5+/(3) 5+/(-4) 5

## Expression: $$- \frac { 1 } { 5 } + \frac { 3 } { 5 } + \frac { - 4 } { 5 }$$

Since $-\frac{1}{5}$ and $\frac{3}{5}$ have the same denominator, add them by adding their numerators.

$$\frac{-1+3}{5}+\frac{-4}{5}$$

Add $-1$ and $3$ to get $2$.

$$\frac{2}{5}+\frac{-4}{5}$$

Fraction $\frac{-4}{5}$ can be rewritten as $-\frac{4}{5}$ by extracting the negative sign.

$$\frac{2}{5}-\frac{4}{5}$$

Since $\frac{2}{5}$ and $\frac{4}{5}$ have the same denominator, subtract them by subtracting their numerators.

$$\frac{2-4}{5}$$

Subtract $4$ from $2$ to get $-2$.

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

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