13/26 = 1/2
2/18 = 1/9
7/10 (cannot simplify any further)
6/30 = 1/5
9/12 = 3/4
40/50 = 4/5
12/14 = 6/7
2/8 = 1/4
18/36 = 1/2
8/9 (cannot simplify further)
9.4m questions
12.2m answers