5 2/3 - 1/3 = 5 1/3
7 5/8 - 1/8 = 7 4/8 = 7 1/2
4 5/7 - 3/7 = 4 2/7
5 2/3 - 1/3=5 1/3
7 5/8- 1/8=7 1/2 или 7,5
4 5/7 -3/7 =4 2/7
5 2/3 - 1/3 = 5 1/3
7 5/8 - 1/8 = 7 4/8 = 7 1/2
4 5/7 - 3/7 = 4 2/7
5 2/3 - 1/3=5 1/3
7 5/8- 1/8=7 1/2 или 7,5
4 5/7 -3/7 =4 2/7