Question

calcule as operações com frações.
Coloquem os cálculos por favor ​

Answer 1

Resposta:

a) 7/13 + 2/13 = 9/13

b) 9/11 + 10/11 = 19/11

c) 8/15 - 2/15 = 6/15 = 2/5

d) 10/7 - 3/7 = 7/7 = 1

e) 1/3 + 2/5 = 5/15 + 6/15 = 11/15

f) 3/2 + 2/3 = 9/6 + 4/6 = 13/6

g) 13/5 - 9/3 = 39/15 - 45/15 = -6/15 = -2/5

h) 5/6 - 2/4 = 5/6 - 3/6 = 2/6 = 1/2