1) 5/9 - (-1/6) = 5/9 + 1/6 = 10/18 + 3/18 = 13/182) 3/16 - 11/24 = 3/16 - 11/24 = 9/48 - 22/48 = -13/483) -7/9 - 2/15 = -35/45 - 6/45 = -41/454) -14/25 - (-7/10) = -14/25 + 7/10 = -28/50 + 35/50 = 7/505) 2 3/7 - (-1 2/5) = 2 + 3/7 + 1 + 2/5 = 3 + 3/7 + 2/5 = 3 15/35 + 14/35 = 3 29/356) 5 12/35 - 10 = 5 + 12/35 - 10 = 5 + 12/35 - 350/35 = -345/35 = - 9 15/35 = -9 3/77) 2 9/20 - 4 17/30 = 2 + 9/20 - 4 - 17/30 = 2 + 54/120 - 4 - 51/120 = -2 3/120 = -2 1/408) -3 8/9 - 4 1/12 = -3 - 8/9 - 4 - 1/12 = -3 - 96/108 - 4 - 9/108 = -7 - 105/108 = -7 35/369) -4 3/16 - (-5 5/8) = -4 - 3/16 + 5 + 5/8 = -4 - 3/16 + 80/16 + 5/8 = -4 - 83/16 + 80/16 = -4 - 3/16 = -4 13/16
1) 5/9 - (-1/6) = 5/9 + 1/6 = 10/18 + 3/18 = 13/18
2) 3/16 - 11/24 = 3/16 - 11/24 = 9/48 - 22/48 = -13/48
3) -7/9 - 2/15 = -35/45 - 6/45 = -41/45
4) -14/25 - (-7/10) = -14/25 + 7/10 = -28/50 + 35/50 = 7/50
5) 2 3/7 - (-1 2/5) = 2 + 3/7 + 1 + 2/5 = 3 + 3/7 + 2/5 = 3 15/35 + 14/35 = 3 29/35
6) 5 12/35 - 10 = 5 + 12/35 - 10 = 5 + 12/35 - 350/35 = -345/35 = - 9 15/35 = -9 3/7
7) 2 9/20 - 4 17/30 = 2 + 9/20 - 4 - 17/30 = 2 + 54/120 - 4 - 51/120 = -2 3/120 = -2 1/40
8) -3 8/9 - 4 1/12 = -3 - 8/9 - 4 - 1/12 = -3 - 96/108 - 4 - 9/108 = -7 - 105/108 = -7 35/36
9) -4 3/16 - (-5 5/8) = -4 - 3/16 + 5 + 5/8 = -4 - 3/16 + 80/16 + 5/8 = -4 - 83/16 + 80/16 = -4 - 3/16 = -4 13/16