Question

Resolva as operações usando o processo da fatoração: (apresentar o processo resolutivo, inclusive o MMC)

a)1/3 + 1/2
b)1/7 + 1/5
c)1/8 + 1/5
d)1/3 - 1/5
e)1/4 - 1/6
f)1/9 + 1/5

Answer 1

Resposta:

a) 1/3 + 1/2 = 2+3/6= 5/6

b) 1/7 +1/5= 5+7/35= 12/35

c) 1/8 + 1/5= 5+8/40 = 13/40

d) 1/3 - 1/5= 5-3/15= 2/15

e) 1/4 -1/6= 3-2/12= 1/12

f) 1/9 + 1/5= 5+9/45= 14/45