Question

A 4/3+1/8 B 5/2+2/4 C 4/5+3/6 D 1/2-1/8 E 3/4-2/7 F 5/4+1/3 G 2/5+1/3 H 3/6+1/8​

Answer 1

Oi

a)

4/3 + 1/8 = o mmc de 3,8=24

32 + 3/24

35/24

b)

5/2 - 2/4

5/2 + 1/2

5 + 1/2

6/2

3

c)

4/5 + 3/6

4/5 + 1/2=o mmc de 5,2=10

8 + 5/10

13/10

d)

1/2 - 1/8 = o mmc de 2,8 = 8

4 -1/8

3/8

e)

3/4 - 2/7 = o mmc de  4,7 = 28

21 - 8/28

13/28

f)

5/4 + 1/3 = o mmc de 4,3=12

15 + 4/12

19/12

g)

2/5 + 1/3 = o mmc de 5,3 = 15

6 +5/15

11/15

h)

3/6 + 1/8

1/2 + 1/8 = o mmc de 2,8=8

4 + 1/8

5/8

Espero ter ajudado.