Question

a) 7/5+3/10 b) 2/7+1/2​

Answer 1

Resposta: a)17/10 e b)11/14.

Explicação passo-a-passo:

a)

7/5 + 3/10 -> m.m.c 10

14/10 + 3/10

17/10

b)

2/7 + 1/2 -> m.m.c 14

4/14 + 7/14

11/14

Answer 2

Olá....

a)

7/5 + 3/10 ⇒ mmc = 10

14/10 + 3/10

17/10

b)

2/7 + 1/2 ⇒mmc = 14

4/14 + 7/14

11/14

Espero ter ajudado