4/6 6/9
3/8 + 2/4 = 7 /8
6/8 2/8
4/2 5/7
5/12 + 6/12 = 11/12
4/9 + 6/9 = 10/9
2/5 3/3
1/4, 2/4
5/34 12/34
4/9 8/9
5/7 8/9
3/7 2/9
2/3 + 3/3 =5/3
8/12 9/12
1/4 + 5/4 = 6/4
3/8 + 5/8 = 8/8
3/7 2/7
4/10 + 3/5 = 1
6/5+ 3/6 = 51/ 30
2/5 4/5
3/7 + 4/3 = 20/ 21
3/4 + 2/5 = 23/20
1/4 + 2/4 = 3/4
2/6 + 3/2 = 11/6
3/6 2/8
