Question

1- quais das frações abaixo são irredutiveis?

•••••••••••••••••••••••••••••••••
8/4 • 1/2 • 12/4 • 5/10 • 2/3

3/7 • 5/9 • 3/11
•••••••••••••••••••••••••••••••••

2- simplifique as frações, tornando-as irredutiveis:


a) 2/8

b) 5/10

c) 30/20

d) 10/14

e) 27/9

f) 20/25

g) 12/18

h) 36/9

i) 7/14

j) 4/22

( socorro )

Answer 1

1) Irredutiveis: 1/2, 2/3, 3/7, 5/9, 3/11

2. a) 2/8 = 1/4

   b) 5/10 = 1/2

   c) 30/20 = 3/2

   d) 10/14 = 5/7

   e) 27/9 = 3/1 ou 3

   f) 20/25 = 4/5

   g) 12/18 = 2/3

   h) 36/9 = 4/1  ou 4

   i) 7/14 = 1/2

   j) 4/22 = 2/11