7/9 = 14/18 7/9 = 35/45 7/9 = 77/99 7/9 = 91/117
4/15 = 8/30 4/15 = 20/75 4/15 = 40/150 4/15 = 44/165
7/9 = 14/18 7/9 = 35/45 7/9 = 77/99 7/9 = 91/117
4/15 = 8/30 4/15 = 20/75 4/15 = 40/150 4/15 = 44/165