Question

a) 3 1 /2 +1 1/4 +1/3 1/6

Answer 1

31/2 + 11/ 4 + 1/3 + 1/6

mmc =

2, 4, 3, 6 | 2

1, 2, 3, 3 | 2

1, 1, 3, 3 | 3

1, 1, 1, 1 | mmc = 2 × 2 × 3 = 12

31/ [2 × 6] + 11/ [4 × 3] + 1/ [3 × 4] + 1/ [6 × 2] =

[31 + 11 + 1 + 1] ÷ 12 ⇒ 44 ÷ 12 = 11/3

Espero tê-la ajudado!