4 - 3/7 = 3 7/7 - 3/7 = 3 4/7
4/9 + 2 5/9 - 3/8 = 2 9/9 - 3/8 = 3 - 3/8 = 2 8/8 - 3/8 = 2 5/8 = 2,625
3 2/5 - 4/5 + 4/15 = 2 7/5 - 4/5 + 4/15 = 2 3/5 + 4/15 = 2 9/15 + 4/15 = 2 13/15
9 - 3 4/5 = 8 5/5 - 3 4/5 = 5 1/5 = 5,2
6 - 4 5/6 + 1 2/3 = 5 6/6 - 4 5/6 = 1 1/6 + 1 2/3 = 1 1/6 + 1 4/6 = 2 5/6
4 + 2 3/4 - 5 7/8 = 6 3/4 - 5 7/8 = 6 6/8 - 5 7/8 = 5 14/8 - 5 7/8 = 7/8 = 0,875
4 - 3/7 = 3 7/7 - 3/7 = 3 4/7
4/9 + 2 5/9 - 3/8 = 2 9/9 - 3/8 = 3 - 3/8 = 2 8/8 - 3/8 = 2 5/8 = 2,625
3 2/5 - 4/5 + 4/15 = 2 7/5 - 4/5 + 4/15 = 2 3/5 + 4/15 = 2 9/15 + 4/15 = 2 13/15
9 - 3 4/5 = 8 5/5 - 3 4/5 = 5 1/5 = 5,2
6 - 4 5/6 + 1 2/3 = 5 6/6 - 4 5/6 = 1 1/6 + 1 2/3 = 1 1/6 + 1 4/6 = 2 5/6
4 + 2 3/4 - 5 7/8 = 6 3/4 - 5 7/8 = 6 6/8 - 5 7/8 = 5 14/8 - 5 7/8 = 7/8 = 0,875