Question

cuanto es 3/4+1/2-3/8 ayuda porfa

Answer 1

Mira we:

Primero resolvemos los 2 primeros: 
3/4 + 1/2= 6+4/8=10/8
Después el siguiente:
10/8-3/8=7/8


Rpta: 7/8

Answer 2

a) 3/4 + 1/2 - 3/8 = 6/8 + 4/8 - 3/8 = 10/8 - 3/8 = 7/8

b) 4/3 - 5 /6 = 8/6 - 5/6 = 3/6 = 1/2

c) 3/5 - 1/4 + 1/20 = 12/20 - 5/20 + 1/20 = 13/20 - 5/20 = 8/20 = 4/10 = 2/5

d) 13/5 -3/2 + 2/5 = 26/10 - 15/10 + 4/10 = 30/10 - 15/10 = 15/10 = 3/5