Question

resolvam pra mim pfv a operação de de 2/5:3/7 e 8/9:2/3 obrigada

Answer 1

2/5 : 3/7 = 2/5 . 7/3 = 14/15
8/9 : 2/3 = 8/9 . 3/2 = 24/18 = 4/3

Answer 2

2/5:3/7 = 2/5×7/3 = (2×7):(5×3) = 14/15

8/9:2/3 = 8/9×3/2 = (8×3):(9×2) = 24/18 = 12/9 = 4/3