Question

a+b/ab para a= 1/3 e b=2/5

Answer 1

1/3+2/5/(1/3).(2/5)

1/3+2/5/2/15

11/15/2/15

11.2/15/15

22/15/15

22.15/15

330/15

= 22

Answer 2

Resposta:

11/2 = 5,5

Explicação passo-a-passo:

a + b / ab a = 1/3 e b = 2/5

1/3 + 2/5 / 1/3 . 2/5 =

m.m.c = 15

5/15 + 6/15   /   2/15 =

11/15   /  2/15   =

11/15  x  15/2 = 11/2 = 5,5