Question

Ajudem nessa por favor 1/3+1/2-2/5.

Answer 1

$\frac{1}{3} +\frac{1}{2} -\frac{2}{5} =$

$\frac{2}{6} +\frac{3}{6} -\frac{2}{5} =$

$\frac{5}{6} -\frac{2}{5} =$

$\frac{25}{30} -\frac{12}{30} =$

$= \frac{13}{30}$