Question

1) Calcule as seguintes somas algébricas a) 2/5+3/5 b) 3/9-2/9 c) 4/8-2/8 d) 1/3+1/3 2) Usando o m.m.c, calcule as frações a) 2/5+3/10 b) 4/8-2/4

Answer 1

Resposta:

a) 5/5 = 1/1 (se for simplificar)

b)1/9

c)2/8 = 1/4

d)2/3

a) 4/10 + 3/10 = 7/10

b) 4/8 - 4/8 = 0