1) 8 9/14 - 3 3/7 = 8 + 9/14 - 3 - 3/7 = 8 - 3 + 9/14 - 3/7 = 5 + 9/14 - 6/14 = 5 + 3/14 = 5 3/14
2) 7 5/12 - 3 7/24 = 7 + 5/12 - 3 - 7/24 = 7 - 3 + 5/12 - 7/24 = 4 + 5/12 - 7/24 = 4 + 10/24 - 7/24 = 4 + 3/24 = 4 1/8
3) 12 11/12 - 5 13/18 = 12 + 11/12 - 5 - 13/18 = 12 - 5 + 11/12 - 13/18 = 7 + 11/12 - 13/18 = 7 + 33/36 - 26/36 = 7 + 7/36 = 7 7/36
1) 8 9/14 - 3 3/7 = 8 + 9/14 - 3 - 3/7 = 8 - 3 + 9/14 - 3/7 = 5 + 9/14 - 6/14 = 5 + 3/14 = 5 3/14
2) 7 5/12 - 3 7/24 = 7 + 5/12 - 3 - 7/24 = 7 - 3 + 5/12 - 7/24 = 4 + 5/12 - 7/24 = 4 + 10/24 - 7/24 = 4 + 3/24 = 4 1/8
3) 12 11/12 - 5 13/18 = 12 + 11/12 - 5 - 13/18 = 12 - 5 + 11/12 - 13/18 = 7 + 11/12 - 13/18 = 7 + 33/36 - 26/36 = 7 + 7/36 = 7 7/36