Question

$( \frac{1}{4} xy) - ( - \frac{1}{6}xy)$
como se faz

Answer 1

$\frac{1}{4} xy - ( - \frac{1}{6} xy) = \\ = \frac{1}{4} xy + \frac{1}{6} xy = \\ \frac{3}{12} xy + \frac{2}{12} xy = \frac{3xy + 2xy}{12} = \frac{5xy}{12}$