Odd one out
1/4
3/12
4/16
7/24
Odd one out
42/60
21/30
7/10
72/90
Odd one out
3/4
12/16
75/100
21/24
Odd one out
8/15
28/49
4/7
12/21
Odd one out
3/5
21/35
24/40
27/35
Odd one out
4/8
6/12
14/26
2/4
Odd one out
6/18
5/15
1/3
8/21
Odd one out
24/30
4/5
32/45
80/100
Odd one out
21/54
15/40
3/8
36/96
Odd one out
7/9
175/225
21/27
164/216
Odd one out
5/8
125/200
25/40
60/100
Odd one out
16/21
2/3
22/33
16/24
Odd one out
12/30
9/20
4/10
2/5
Odd one out
8/54
3/18
1/6
5/30
Odd one out
55/66
40/56
5/6
15/18