Question

sumar o restar . reducir la mínima expresión

Answer 1

1) 1/2 +3/8= 8+6/16= 14/16= 7/8

Answer 2

1/2 + 3/8 = 7/8
3/4-1/5=11/20
3/4+1/2=5/4
1/2 - 2/3=-1/6
7/10+(-7/10) =0
4/5+(-1/5)=3/5
ejercicio 8 : -1/3
9/10-1/2=2/5