Question

Calcule.

A)2/2+1/8
B)5/9-5/18
C)8/7+5/3
D)5/4-10/9
E)23/16-5/6
F)7/12+14/5

Answer 1

Olá

a)

2/2 + 1/8→o mmc de (2,8) = 8

8 + 1 /8

9/8

b)

5/9 - 5/18→o mmc de (9,18)= 18

10 - 5/18

5/18

c)

8/7 + 5/3→o mmc de (7,3) = 21

24 + 35 / 21

59/21

d)

5/4 - 10/9→o mmc de (4,9) = 36

45 - 40/36

5/36

e)

23/16 - 5/6→o mmc de (16,5) = 48

69 - 40 /48

29/48

f)

7/12 + 14/5→o mmc de (12,5) = 60

35 + 168/60

203/60

Espero ter ajudado.