Question

Assinale o resultado dos cálculos abaixo: *
A) 7/5 - 3/5 =
B) 4/8 + 2/8=
C)3/4 + 5/12=

Answer 1

A) 7/5 - 3/5 = 4/5

B) 4/8 + 2/8 = 6/8 = 3/4

C) 3/4 + 5/12 = 9/12 + 5/12 = 14/12 = 7/6

Espero ter ajudado

Answer 2

Explicação passo-a-passo:

A) 7/5-3/5 =(7-3)/5= 4/5

B) 4/8+2/8= (4+2)/8=6/8 :(2/2)= 3/4

C)3/4+5/12 = m.m.c= 12

(9+5)/12= 14/12: (2/2)=7/6