Question

Practica con una guía 1 Realiza las operaciones.​

Answer 1

Respuesta:

2/3+1/5= (15÷3)(2)/15+(15÷5)(1)/15= 10/15+3/15= 13/15

3/5+6/7= (35÷5)(3)/35+(35÷7)(6)/35= 21/35+30/35= 51/35

1/4+2/3=(12÷4)(1)/12+(12÷3)(2)/12= 3/12+8/12= 11/12

5/6-3/4= (12÷6)(5)/12-(12÷4)(3)/12= 10/12-9/12= 1/12