Respuesta :

5/8 + 3/10 = 37/40
3/5 + 1/4 = 17/20
5/8 + 3/10                                  Find least common multiple in both to make the 
x5        x4                                    denominators equal
___________________
25/40 + 12/40 = 37/40
_______________________

3/5 + 1/4
x4        x5
____________
12/20 + 5/20 = 17/20

hope this helps,
xXbeautyXx

ACCESS MORE
ACCESS MORE
ACCESS MORE
ACCESS MORE