Question

Me pueden ayudar a resolver​

Answer 1

Respuesta:

a) 1/3 + 1/4 + 1/6 = (4+3)/12 + 1/6 = 7/12 + 1/6 = (42+12)/72 = 54/72 =  3/4

b) 1/2 + 1/4 + 1/8 = (4+2)/8 + 1/8 = 6/8 + 1/8 = 7/8

c) 2/7 + 1/14 + 3/2 = (28 + 7)/98 + 3/2 = 35/98 + 3/2 = 5/14 + 3/2 = 52/28 = 13/7