Question

Observe os exemplos e resolva:
3/4 : 5/7 = 3/4 x 7/5 = 21/20

a) 3/9 : 4/8 =
b) 6/7 : 5/3 =
c) 2/5 : 8/15 =
d) 2/4 : 3/7 =
e) 3/8 : 4/16 =
f) 5/7 : 9/3 =

3 : 4/6 = 3/1 x 6/4 = 18/4

a) 5 : 8/9 =
b) 9 : 3/7 =
c) 6 : 4/6 =
d) 3 : 5/8 =
e) 4 : 6/5 =
f) 7: 2/4 =

Answer 1

a)3/9×8/4=24/36

b)6/7×3/5=18/35

c)2/5×15/8=30/40

d)2/4×7/3=14/12

e)3/8×16/4=48/32

f)5/7×3/9=15/63


a)5/1×9/8=45/8

b)9/1×7/3=63/3

c)6/1×6/4=36/4

d)3/1×8/5=24/5

e)4/1×5/6=20/6

f)7/1×4/2=28/2