1) 1/4 = 15/60, 7/15 = 28/60, 5/6 = 50/602) 2/15 = 16/120, 5/12 = 50/120, 3/4 = 90/1203) 7/15 = 28/60, 19/21 = 40/60, 1/2 = 30/60, 11/14 = 45/60
1) 1/4 = 15/60, 7/15 = 28/60, 5/6 = 50/60
2) 2/15 = 16/120, 5/12 = 50/120, 3/4 = 90/120
3) 7/15 = 28/60, 19/21 = 40/60, 1/2 = 30/60, 11/14 = 45/60