Question

Efetue As Adiçoes e subtraçoes a seguir

a)4/7+2/7


b)8/5-3/5


c)5/8-1/4


d)1/2+1/4-2/5

Answer 1

a) 6/7
b) 5/5 = 1
c) 5/8 - 2/8 = 3/8
d) 10/20 + 5/20 - 8/20 = 7/20