1-1/5=5/5-1/5=4/5
1-3/7=7/7-3/7=4/7
1-7/9=9/9-7/9=2/9
1-3/10=10/10-3/10=7/10
2-1/2=1 2/2-1/2=1 1/2
4-4/5=3 5/5-4/5=3 1/5
7-4/7=6 7/7-4/7=6 3/7
10-9/11=9 11/11-9/11=9 2/11
4\7
2\9
7\10
1.5
16\5
15\7
101\11
1-1/5=5/5-1/5=4/5
1-3/7=7/7-3/7=4/7
1-7/9=9/9-7/9=2/9
1-3/10=10/10-3/10=7/10
2-1/2=1 2/2-1/2=1 1/2
4-4/5=3 5/5-4/5=3 1/5
7-4/7=6 7/7-4/7=6 3/7
10-9/11=9 11/11-9/11=9 2/11