1) 1/6+2/7 = (7+12)/42 = 19/422) 11/18-5/12 = (22-15)/36 = 7/363) 4 целых 7/12+1 целая 3/16 = 4 + 1 + 7/12 + 3/16 = 5 + (56+9)/48 = 5 целых 65/48 = 6 целых 17/484) 8 целых 17/20 - 6 целых 7/10 = 8 - 6 + 17/20 - 7/10 = 2 + (34-28)/20 = 2 целых 6/20 = 2 целых 3/10
1) 1/6+2/7 = (7+12)/42 = 19/42
2) 11/18-5/12 = (22-15)/36 = 7/36
3) 4 целых 7/12+1 целая 3/16 = 4 + 1 + 7/12 + 3/16 = 5 + (56+9)/48 = 5 целых 65/48 = 6 целых 17/48
4) 8 целых 17/20 - 6 целых 7/10 = 8 - 6 + 17/20 - 7/10 = 2 + (34-28)/20 = 2 целых 6/20 = 2 целых 3/10