Question

calcule as operações
a) 11/5 + 12/15 - 3/5
b) 1/7 + 16/5 - 3/7
c) 11/8 + 2/5 + 13/8 - 11/5

me ajudem por favor.​

Answer 1

A)11/5+12/15-3/5=
Cálculo:
11-3/5 + 4/5=
8/5 + 4/5=
8/5 + 4/5=
12/5
Resposta:12/5

B)1/7+16/5+3/7=
Cálculo:
1-3/7 + 16/5=
-2/7 + 16/5=
-10+112/35=
107/35
Resposta:107/35

C)11/8+2/5+13/8-11/5=
Cálculo:
11+13/8 + 2-11/5=
24/8 + -9/5=
3/0 + -9/5=
15-9/5=
6/5
Resposta:6/5