Question

Caucule a soma
(A) (-2/3)+(+1/4)

(B) (-1/3)+(-1/6)

Answer 1

a)

$(- \frac{2}{3}) + ( \frac{1}{4}) \\ - \frac{2}{3} + \frac{1}{4} \\ - \: \frac{5}{12}$

b)

$(- \frac{1}{3}) + ( - \frac{1}{6}) \\ - \frac{1}{3} - \frac{1}{6} \\ - \: \frac{1}{2}$