3/4*1/5= 5/7*1/2=
5/9*3/10=
3/5*10*21=
9/11*11/27=
5/7*0=
1*8/19=
7/26*2/3=
3/5*20/15=
2/7*14/19=
8/25*5/16=
13/11*11/13=
26/49*7/13=
17/18*4/17=
14/45*50/21=
36/49*7/12=
5/9*3/10=
3/5*10*21=
9/11*11/27=
5/7*0=
1*8/19=
7/26*2/3=
3/5*20/15=
2/7*14/19=
8/25*5/16=
13/11*11/13=
26/49*7/13=
17/18*4/17=
14/45*50/21=
36/49*7/12=