2/3*9/14 = 3/7,
4/5*15/16 = 3/4,
3/7*8/21 = 8/49,
12/23*1 = 12/23,
17/39*0 = 0,
2/5:4/5 = 1/2,
3/7:9/14 = 2/3,
5/8:1/4 = 5/2,
3/17:2/51 = 9/2,
2/11:4/77 = 7/2,
3/4*2 = 3/2,
12/13:7/13 = 12/7,
33/34:1/34 = 33,
3/1*5 1/3 = 16,
64/76:16/19 = 1,
12/25*5/16 = 3/20,
12/19*1/24 = 1/38,
8/13*13/8 = 1,
23/72*72/23 = 1,
3/8:5/7 = 21/40,
5/16:6/8 = 5/12,
0:23/45 = 0,
3 1/4*4 = 13,
10*5 2/5 = 54,
0: 2 1/7 = 0,
3 5/16*1 = 3 5/16,
2 17/18:1 = 2 17/18,
4 1/2:6 3/4 = 2/3,
1 51/93:1 5/31 = 4/3,
2 1/2*3 1/15 = 23/3,
4/9*3 3/4 = 5/3,
1 6/7*3 3/4 = 195/28,
1 6/7* 3 5/10 = 13/2,
8:4/7 = 14