1) 2/3 - 31/3 = -29/32) -3/8 + 4/7 = -21/56 + 32/56 = 11/563) 3/5 - 11/6 = 18/30 - 25/30 = -7/304) 2/9 - 11/6 = 4/18 - 33/18 = -29/185) 4/5 - 2/7 = 28/35 - 10/35 = 18/356) -9 + 2/9 = -81/9 + 2/9 = -79/9
1) 2/3 - 31/3 = -29/3
2) -3/8 + 4/7 = -21/56 + 32/56 = 11/56
3) 3/5 - 11/6 = 18/30 - 25/30 = -7/30
4) 2/9 - 11/6 = 4/18 - 33/18 = -29/18
5) 4/5 - 2/7 = 28/35 - 10/35 = 18/35
6) -9 + 2/9 = -81/9 + 2/9 = -79/9