Question

Resolva as seguintes frações
a)2/3+5/3= e)1/3*4/7=
b)3/7-1/7= f)1/1:2/3=
c)3/4-5/9=
d5/2-2/3=

Answer 1

Resposta:

a) 2/3 + 5/3= (2+5)/3 = 7/3

b) 3/7 - 1/7= (3-1)/7 = 2/7

1/3 . 4/7 = (1.4)/(3.7) = 4/21

f) 1/1 ÷ 2/3 = 1/1.2/3 = (1.2)/(2.3) = 2/3