Question

(-2/3)+(+1/4) com calculo pfv

Answer 1

Cálculo

(- 2/3) + (+ 1/4)

_- 2_ + _ 1 _ m.m.c 12
..3.............4

_ - 8 _+_ 3 _
...12............12

_- 5_
12

Resposta: - 5/12