3 4/5 - 2/3=3 12/15 - 10/15=3 2/15
9 1/2 - 4 3/8=9 4/8 - 4 3/8=5 1/8
25 7/32 - 21 1/24=25 21/96 - 21 4/96=4 17/96
19 7/20 - 9 1/30=19 21/60 - 9 2/60=10 19/60
73 5/24 - 58 19/36=73 15/72 - 58 38/72=72 87/72 - 58 38/72=14 49/72
91 37/54 - 47 11/45=91 185/270 - 47 66/270=44 119/270
47 163/210 - 39 32/105=47 163/210 - 39 64/210=8 99/210=8 33/70
109 22/25 - 101 83/250=109 220/250 - 101 83/250=8 137/250