2 7/16 + 1 9/16 = 4 4/16 + 2 9/16 = 6 13/16
1 1/2 - 1/4 = 1 2/4 - 1/4 = 1 1/4
2 2/5 + 1.5 = 2 2/5 + 1 6/10 = 3 8/10 = 3 4/5
4 1/6 - 2 1/18 = 4 3/6 - 2 1/18 = 3 5/6 - 2 1/18 = 3 5/6 - 2 1/18 = 3 5/6 - 1 10/108 = 3 46/108 = 3 23/54
1 5/8 + 2 7/8 = 1 40/64 + 2 56/64 = 3 96/64 = 4 32/64 = 4 1/2
2 7/16 + 1 9/16 = 4 4/16 + 2 9/16 = 6 13/16
1 1/2 - 1/4 = 1 2/4 - 1/4 = 1 1/4
2 2/5 + 1.5 = 2 2/5 + 1 6/10 = 3 8/10 = 3 4/5
4 1/6 - 2 1/18 = 4 3/6 - 2 1/18 = 3 5/6 - 2 1/18 = 3 5/6 - 2 1/18 = 3 5/6 - 1 10/108 = 3 46/108 = 3 23/54
1 5/8 + 2 7/8 = 1 40/64 + 2 56/64 = 3 96/64 = 4 32/64 = 4 1/2