1) 2/9 : 4/3 = 1/6
2) 5 : 5/17 = 17
3) 3/4 : 12 = 1/16
4) 12 : 12/5 = 5
5) 7/15 : 21/25 = 5/9
6) 7/12 : 21/26 = 13/18
7) 4/5 : 4/5 = 1
1) 2/9 : 4/3 = 1/6
2) 5 : 5/17 = 17
3) 3/4 : 12 = 1/16
4) 12 : 12/5 = 5
5) 7/15 : 21/25 = 5/9
6) 7/12 : 21/26 = 13/18
7) 4/5 : 4/5 = 1