Question

?- um sexto = quatro décimos

Answer 1

Olá,

Vamos lá,

8/10 + 4/6 mmc = 30

3*8 + 5 * 4 24 + 20 44 :2 22

----------------- = ------------ = --- = ----

30 30 30 :2 15

Answer 2

Resposta:

X- 1/6=4/10

x=4/10+1/6

(12+5)/30

x= 17/30