1) 4 3/16 - 5/8 = 4 3/16 - 10/16 = 4 - 7/16 = 3 целых 9/16
2) 6 4/9 - 3 6/7 = 6 28/63 - 3 54/63 = 3 - 26/63 = 2 целых 37/63
3) 10 11/24 - 8 19/36 = 10 33/72 - 8 38/72 = 2 - 5/72 = 1 целая 67/72
4) 5 1/4 - 1 3/8 = 5 2/8 - 1 3/8 = 4 - 1/8 = 3 целых 7/8