1) -3/5 - 1/5 = -4/5
2) -1/3 - 2/3 = -1
3) -1/4 - 5/7 = -7/28 - 20/28 = -27/28
4) -5/6 - 1/3 = -5/6 - 2/6 = -7/6 = -1 целая 1/6
5) -4 целых 3/8 - 2 целых 1/4 = -4 целых 3/8 - 2 целых 2/8 = -6 целых 5/8
6) -6 целых 1/2 - 3 целых 5/7 = -6 целых 7/14 - 3 целых 10/14 = -9 целых 17/14 = -10 целых 3/14
7) -3/7 - 4/7 = -1
8) -1/8 - 3/4 = -1/8 - 6/8 = -7/8