1/2=18/36 2/3=24/36 3/4=27/36 1/6=6/36 4/9=16/36 7/18=14/36
1/2=18/36: 2/3=24/36; 3/4=27/36; 1/6= 6/36; 4/9= 16/36; 7/18=14/36