1/2 + 1/2 = 1
1/3 + 1/6 = 1/2
1/4 + 1/4 = 1/2
1/5 + 1/10 = 1/2
1/6 + 1/3 = 1/2
1/7 + 1/14 = 1/2
1/8 + 1/8 = 1/2
1/9 + 1/18 = 1/3
1/10 + 1/5 = 1/2
1/11 + 1/22 = 1/2
1/12 + 1/6 = 1/3
1/13 + 1/26 = 1/2
1/14 + 1/7 = 1/2
1/15 + 1/30 = 1/2
1/16 + 1/16 = 1/2
1/17 + 1/34 = 1/2
1/18 + 1/9 = 1/3
1/19 + 1/38 = 1/2
1/20 + 1/10 = 1/4
1/21 + 1/42 = 1/2
1/22 + 1/11 = 1/4
1/23 + 1/46 = 1/2
1/24 + 1/12 = 1/3
1/25 + 1/50 = 1/2
1/2 + 1/2 = 1
1/3 + 1/6 = 1/2
1/4 + 1/4 = 1/2
1/5 + 1/10 = 1/2
1/6 + 1/3 = 1/2
1/7 + 1/14 = 1/2
1/8 + 1/8 = 1/2
1/9 + 1/18 = 1/3
1/10 + 1/5 = 1/2
1/11 + 1/22 = 1/2
1/12 + 1/6 = 1/3
1/13 + 1/26 = 1/2
1/14 + 1/7 = 1/2
1/15 + 1/30 = 1/2
1/16 + 1/16 = 1/2
1/17 + 1/34 = 1/2
1/18 + 1/9 = 1/3
1/19 + 1/38 = 1/2
1/20 + 1/10 = 1/4
1/21 + 1/42 = 1/2
1/22 + 1/11 = 1/4
1/23 + 1/46 = 1/2
1/24 + 1/12 = 1/3
1/25 + 1/50 = 1/2