Question

(-1/3) + (-1/5)=
(-1/8) - (5/4)=
(+1/5) - (+3/5) =​

Answer 1

Resposta:

$(-\frac{1}{3}) +(-\frac{1}{5}) =\frac{-5-3}{15} =\frac{-8}{15} \\\\(-\frac{1}{8}) -(\frac{5}{4}) =\frac{-1-10}{8} =\frac{-11}{8}\\\\(\frac{1}{5}) -(\frac{3}{5}) =\frac{-2}{5}$