Question

(3/8 + 4 x 1/2 ) : ( 3 x 2/3 + 1/4 )
obs ** o X é multiplicação

Answer 1

(3/8 + 4 x 1/2) : ( 3 x 2/3 + 1/4) =
(3/8 +4/2) : (6/3 + 1/4) =
m.m.c(2,8) =8
(3/8 + 16/8) : ( 6/3 + 1/4)
(19/8) : (6/3 + 1/4 =
m.m.c(3,4) =12
(19/8) : ( 24/12 + 3/12) =
( 19/8) : ( 27/12) =
19/8 x 12/27 =
simplificando 8 e 12 por 4
19/2 x 3/27 = 57/54 simplificando por 3 =19/18