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4) Simplifique as frações a) 15/24 b) 8/20 c) 24/72

Resposta :

a) 15/24

15÷3= 5

24÷3= 8

5/8

b) 8/20

8÷4= 2

20÷4= 5

2/5

c) 24/72

24÷8= 3

72÷8= 9

3÷3= 1

9÷3= 3

1/3