Question

Calcule e Simplifique

a) 2/5 + 1/3 =

b) 7/9 - 1/6 =

c) 5/8 + 7/12 =

d) 1/4 + 1/8 =

e) 1/3 + 1/6 - 5/8 =

me ajudem por favor !!!

Answer 1

a) 2/5 + 1/3=
6/15+5/15= 11/15

b) 7/9 - 1/6=
14/18 - 3/18= 11/18

c)5/8 + 7/12=
15/24 + 14/24= 29/24

d)1/4 + 1/8=
2/8 + 1/8 = 3/8

e) 1/3 + 1/6 - 5/8=
8/24 + 4/24 - 15/24=
12/24 - 15/24=
-3/24(÷3)= - 1/8

Um abraço.