1-1/4-3/4

5/7+5/9+2/7+4/9

4/6+2/6-2/5-3/5

1/2+3/4+5/8

3/10+4/5+7/20

3/8+2/3-5/6

4/5-(1/3+3/10)

11-4/15-11/15

16-(14/19+9/25)

1-(1/5+1/7)

1/4+1/8+1/6-1/24

3/4-1/2+2/3

1/6+2/5+7/10

2/3-1/4-1/5

19/20-(1/4+2/5)

7/8-(7/10-11/20)

15/16+4/5-15/16

3/5-1/4+3/5

4/15+9/20-3/10

18/20-(1/4+2/5)

5/8+7/12-4/9

17/18-(1/12+1/6)

1/2+1/4-1/8

(14/15-2/5)-1/3

4/11+2/5+7/11+1/5

4/5-3/10+2/3

3/7-(9/14-1/2)

8/9-5/9+1/6

8/15+2/5+1/2

2/3-4/7+5/6