Respuesta :

3/8+1/8=4/8=1/2 simplified

4/5+3/4= common denominator of 20

new fraction: 16/20+15/20

31/20=1 11/20 simplified

6/7+2/5 common denominator of 35

new fraction: 30/35+14/35

44/35

1 9/35 simplified