Question

ajuda por favor

1) escreva 5 fracões equivalentes a :

a) 3/8

b)2/5

c)7/9

d)9/10

Answer 1

a) 3/8

3/8 . 2/2 = 6/16

3/8 . 10/10 = 30/80

3/8 . 5/5 = 15/40

3/8 . 100/100 = 300/800

3/8 . 3/3 = 9/24

b)2/5

2/5 . 10/10 = 20/50

2/5 . 2/2 = 4/10

2/5 . 3/3 = 6/15

2/5 . 4/4 = 8/20

2/5 . 5/5 = 10/25

c)

7/9 . 10/10 = 70/90

7/9 . 2/2 = 14/18

7/9 . 3/3 = 21/ 27

7/9 . 4/4 = 28/36

7/9 . 5/5 = 35/45

d)9/10

9/10 . 2/2 = 18/20

9/10 . 10/10 = 90/100

9/10 . 5/5 = 45/50

9/10 . 3/3 = 27/30

9/10 . 4/4 = 36/40