6. А) 5 - 3/4 = 4 4/4 - 3/4 = 4 1/4
Б) 10 - 7/8 = 9 8/8 - 7/8 = 9 1/8
В) 13 - 4/5 = 12 5/5 - 4/5 = 12 1/5
Г) 15 - 6/7 = 14 7/7 - 6/7 = 14 1/7
Д) 22 - 3/16 = 21 16/16 - 3/16 = 21 13/16
Е) 48 - 58/69 = 47 69/69 - 58/69 =
47 11/69
7. А) 7 3/5 - 5 = 2 3/5
Б) 2 3/7 - 2 = 3/7
В) 9 5/8 - 3/8 = 9 2/8 = 9 1/4
Г)10 5/16 - 1/4 = 10 5/16 - 4/16 = 10 1/16
Д)11 1/2 - 1/4 = 11 2/4 - 1/4 = 11 1/4
Е)17 15/49 - 2/7 = 17 15/49 - 14/49 = 17 1/49
Ж)16 13/36 - 2/6 = 16 13/36 - 12/36 = 16 1/36
З)4 23/24 - 5/6 = 4 23/24 - 20/24 = 4 3/24 = 4 1/8