..............................................................=12 13/48
1) 63 1/5 - 41 3/5 =62 6/5 - 41 3/5=21 3/5
2) 21 3/5 - 2/15=21 9/15 - 2/15=19 7/15
3) 19 7/15 +6=25 7/15
4) 19 - 6 11/12=18 12/12 - 6 11/12=12 1/12
5) 3/8 - 3/16=6/16 - 3/16= 3/16
6) 12 1/12+3/16=12 4/48+9/48=12 13/48