Выполните вычитание. 1 1/7 - 6/7 = 2 7/10 - 1 4/5 = 4 2/5 - 3/5 = 6 2/15 - 4 2/3 = 3 4/9 - 5/6 = 10 5/8 - 5 11/12 =

1 1/7 - 6/7 = 8/7 - 6/7 = 2/7 2 7/10 - 1 4/5 = 2 7/10 - 1 8/10 = 17/10 - 8/10 = 9/10 4 2/5 - 3/5 = 3 7/5 - 3/5 = 3 4/5 6 2/15 - 4 2/3 = 2 2/15 - 10/15 = 1 17/15 - 10/15 = 1 7/153 4/9 - 5/6 = 3 8/18 - 15/18 = 2 26/18 - 15/18 = 2 11/1810 5/8 - 5 11/12 = 7 15/24 - 22/24 = 6 39/24 - 22/24 = 6 17/24