Question

a)1/3 + 2/5 b)7/2 + 2/3 c) 11/12 - 5/8. d) 3/2 + 2/3 ​

Answer 1

Oi....

a)

1/3 + 2/5 ⇒mmc = 15

5 + 6/15

11/15

b)

7/2 + 2/3 ⇒ mmc = 6

21 + 4/6

25/6

c)

11/12 - 5/8 ⇒ mmc =  24

22 - 15/24

7/24

d)

3/2 + 2/3 ⇒ mmc =  ​6

9 + 4/6

13/6

Bons estudos.