Question

Please help me. -1/15 + (-3/5)

Answer 1

Answer:

$-\frac{2}{3}$

Step-by-step explanation:

-1/5 + (-3/5)

Least common multiple of 15 and 5 is 15. Convert $-\frac{1}{15}$ and $\frac{3}{5}$ to fraction with a denominator of 15.

$-\frac{1}{15}$ $-\frac{9}{15}$

Since $-\frac{1}{15}$  and $\frac{9}{15}$ have the same denominator, subtract them by subtracting the numerators.

$\frac{-1-9}{15}$

Subtract 9 from -1 to get -10

$\frac{-10}{15}$

Reduce the fraction $\frac{-10}{15}$ to lowest terms

$-\frac{2}{3}$

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