24/63 = (3*8)/(3*3*7) = 8/21
33/99 = (3*11)/(3*3*11) = 1/3
98/490 = (2*49)/(2*5*49) = 1/5
18/48 = (6*3)/(6*8) = 3/8
66/45 = (2*3*11)/(3*3*5) = 22/15
303/505 = (3*101)/(5*101) = 3/5
24/63 = (3*8)/(3*3*7) = 8/21
33/99 = (3*11)/(3*3*11) = 1/3
98/490 = (2*49)/(2*5*49) = 1/5
18/48 = (6*3)/(6*8) = 3/8
66/45 = (2*3*11)/(3*3*5) = 22/15
303/505 = (3*101)/(5*101) = 3/5