Question

d) 2/3+5/1= e) 2/5+1/3= f) 7/4+1/3-1/2​

Answer 1

Olá...

d)

2/3 + 5/1 ⇒mmc = 3

2 + 15/3

17/3

e)

2/5 + 1/3 ⇒mmc = 15

6 + 5/15

11/15

f)

7/4 + 1/3 - 1/2 ⇒mmc = 12

21 + 4 - 6/12

25 - 6/12

19/12

Espero ter ajudado.