13/4-8/5=65/20-32/20=33/20=1 13/20м
7-2 3/10=6 10/10-2 3/10=4 7/10кг
8 9/25-2
3/4=8-2+(9/25-3/4)=6+(36/100-75/100)=5+1
36/100-75/100=5 61/100
6'3 9/20=5-3+20/20-9/20=2+11/20=2 11/20
5 7/12-2
4/5=2+19/12-4/5=2+95/60-48/60=2 47/60
3
2/15-1/4=47/15-1/4=188/60-15/60=173/60=2 53/60