Question

calcule: a -> 2/3 : 5/6
b -> 5/3 + 2/6
c -> 3/8 - 2/6
d -> 9/12 x 3/9

Answer 1

OI

a) 2/3 ÷ 5/6

2/3 × 6/5

12/15 ÷ 3

4/5

b) 5/3 + 2/6 →o mmc de (3,6) = 6

10 + 2/6

12/6 ÷ 6

2

c) 3/8 - 2/6→o mmc de (8,6) = 24

9 - 8/ 24

1/24

d) 9/12 × 3/9

27/108 ÷ 27

1/4

Espero ter ajudado.