Question

Efetue as adições e subtrações com denominadores diferentes:
A) 1/2+1/3
B) 1/2+1/13+5/6
C) 5/6-1/2

Answer 1

Resposta:

a )

1/2 + 1/3

3/6 + 2/6

5/6

b)

1/2 + 1/13 + 5/6

39/78 + 6/78 + 13/78

58/78

29/39

c)

5/6 -1/2

10/12 - 6/12

4/12

1/3