Question

Resolva as seguintes frações:
A) 4/9 + 1/9
B) 6/5 + 3/5
C) 3/7 + 2/4
D) 8/9 - 1/5

Answer 1

Resposta:

olá

a) 5/9

b)9/5

c)13/14 (simplifiquei)

d)31/45

espero ter ajudado!

Answer 2

A) 4/9+1/9 = 4+1/9 = 5/9

B) 6/5+3/5 = 6+3/9 = 9/9

C) 3/7+2/4 = 3/7+2/(2)^2 = 3/7+1/2= (3x2)+7/7x2 =13/14

D) 8/9-1/5 = (8x5)-9/9x5 = 31/45