3/5+4/5+3/8+6/8+2 1/2=

3/5 + 4/5 = 7/5
3/8 + 6/8 = 11/8
2 1/2 = 5/2

7/5 + 11/8 + 5/2
= 56/40 + 55/40 + 100/40
= 211/40
= 5 11/40

3/5+4/5+3/8+6/8+5/2=
24+32+15+30+100/2=
201/40 = 5 1/40