16/24=2/3 , 15/25=3/5, 28/42=2/3, 72/96=3/4, 30/42=5/7, 63/90=7/10, 150/240=5/8,121/165=11/15, 231/264=7/8, 120/168=5/7, 90/225=2/5.
16/24=2/3 , 15/25=3/5, 28/42=2/3, 72/96=3/4, 30/42=5/7, 63/90=7/10, 150/240=5/8,121/165=11/15, 231/264=7/8, 120/168=5/7, 90/225=2/5.