Question

Efetue as subtraçoes:

Answer 1

Oi...

a)

15/10 - 3/10

15 - 3/10

12/10

b)

7/9 - 5/9

7 -5/9

2/9

c)

8/5 - 2/7 ⇒o mmc de (5,7) = 35

56 - 10/35

46/35

d)

3 4/13 - 1 1/2

43/13 - 3/2⇒o mmc de (13,2) = 26

86 - 39/26

47/26

e)

5 2/3 - 1/8

17/3 - 1/8⇒o mmc de (3,8) = 24

136 - 3/24

133/24

Espero ter ajudado