Question

Efetue as operações e simplificado a fração

a) 2/5+1/6
b) 3/8-1/4
c) 4/5+1/8+1/10

Answer 1

Resposta:

a) 2/5+1/6=12+5/30

17/30

b) 3/8-1/4=12-8/32

4/32=1/8

c) 4/5+1/8+1/10=32+5+4/40=41/40

5,8,10 | 2

5,4,5 | 2

5,2,5 | 2

5,1,5 | 5/40

1, 1, 1