Question

3 Efetue as operações com frações

Answer 1

a)
2/3+5/3+4/3
11/3

b)
3/5+4/5-2/5
5/5
1

c)
2/3*1/5*3/4
6/60

d)
(2/3)/(3/5)
2/3*5/3
10/9


f)
2/3+3/4
Fazendo mmc entre 3 e 4, teremos 12. Logo:
(8+9)/12
17/2

g)
1/2+2/6+3/10
Fazendo mmc entre 2,6 e 10, teremos 30. Logo
(15+10+9)/30
34/30