Question

CALCULE A EXPRESSÃO (1-1/3):(2-5/6)=

Answer 1

(3-1)/3*(12-5)/6= ( 2/3)/(7/6)= 2/3*6/7=12/21=4/7

Answer 2

Você precisa calcular o MMC:
(3/3-1/3):(12/6-5/6)=
2/3:7/6=
2/3x6/7=
12/21 ou 4/7