Question

como resolver ?
1/8+ 7/40 :12/5

Answer 1

Resposta:

1/8+ 7/40÷12/5=19/96

Explicação passo-a-passo:

1/8+ 7/40÷12/5=

1/8+ 7/40×5/12=

1/8+35÷5/480÷5=

1/8+7/96=

mmc (8,96)

8, 96 | 2

4, 48 | 2

2, 24 | 2

1, 12 | 2

1, 6 | 2

1, 3 | 3

1, 1 | 1

mmc (8,96) = 2 . 2 . 2 . 2 . 2 . 3 = 96

12/96+7/96=19/96

Answer 2

Resposta:

19/96

Explicação passo-a-passo:

1/8 + 7/40 : 12/5

1/8 + 7/40 × 5/12

1/8 + 7/8 × 1/12

1/8 + 7/96⇒mmc = 96

12 + 7/96

19/96

Espero ter ajudado.