1) 5/6 - 3/4 = 10/12 - 9/12 = 1/122) 7/8 - 4/5 = 35/40 - 32/40 = 3/403) 5/18 - 11/90 = 25/90 - 11/90 = 14/90 = 7/454) 11/15 - 11/18 = 72/90 - 55/90 = 17/905) 3/20 - 5/24 = 18/120 - 25/120 = -7/1206) 4/15 - 3/25 = 20/75 - 9/75 = 11/757) 15/36 - 11/24 = 30/72 - 33/72 = -3/72 = -1/248) 16/21 - 5/9 = 48/63 - 35/63 = 13/639) 19/24 - 11/30 = 95/120 - 44/120 = 51/120 = 17/40
1) 5/6 - 3/4 = 10/12 - 9/12 = 1/12
2) 7/8 - 4/5 = 35/40 - 32/40 = 3/40
3) 5/18 - 11/90 = 25/90 - 11/90 = 14/90 = 7/45
4) 11/15 - 11/18 = 72/90 - 55/90 = 17/90
5) 3/20 - 5/24 = 18/120 - 25/120 = -7/120
6) 4/15 - 3/25 = 20/75 - 9/75 = 11/75
7) 15/36 - 11/24 = 30/72 - 33/72 = -3/72 = -1/24
8) 16/21 - 5/9 = 48/63 - 35/63 = 13/63
9) 19/24 - 11/30 = 95/120 - 44/120 = 51/120 = 17/40