Сократить дроби 28/84, 30/108,6/72,16/60,26/104,15/20,10/42,72/800,42/70,35/105

28/84=1/3
30/108=15/54
6/72=1/12
16/60=4/15
26/104=1/4
15/20=3/4
10/42=5/21
72/800=9/100=0.09
42/70=6/10=0.6
35/105=1/3

7/21, 15/54, 1/12, 4/15, 1/4, 3/4, 5/21, 18/200, 21/35, 7/21.