2 8/15 - 1 8/15 = 3 2/9 - 7/9= 4 4/8 - 2 7/8 = 4 1/8 - 1 2/8= 3 1/5 - 1 4/5 =

2 8/15 - 1 8/15 = 1 3 2/9 - 7/9= 2 11/9 - 7/9 = 2 4/9 4 4/8 - 2 7/8 = 3 12/8 - 2 7/8 = 1 5/8 4 1/8 - 1 2/8= 3 9/8 - 1 2/8 = 2 7/8 3 1/5 - 1 4/5 = 2 6/5 - 1 4/5 = 1 2/5