Question

1] para cada item , escreva duas frações equivalentes
a)4/10
b)4/9
c)7/3
d)2/6
e)10/15
f)17/14

Answer 1

a) 2/10+ 2/10...............= 2/5

b) 4/9= 2/9+2/9

d) 2/6= 2/6-1/6 = 1/3


e) 10/15= 5/15+5/15 = 2/3


f) 17/14 10/14 + 7/14

c) 7/3= 10/3-3/3

Answer 2

A) 2/5 ou /20
B) 8/18 ou 12/27
C) 14/6 ou 21/9
D) 1/3 ou 6/18
E) 2/3 ou 20/30
F) 34/28 ou 51/42

:)