There are an infinite number of them.
Here are a few:
1/6
2/12
4/24
5/30
11/66
132/792
Two equivalent fractions are 2 over 12, and 3 over 18. There much more equivalent fractions besides those.
2/9
160/180 and 1600000000/1800000000
2/12 3/18
They are: 14/18 and 21/27
two equivalent fractions of 4/18 = 8/36, 12/54
Two equivalent fractions are 2 over 12, and 3 over 18. There much more equivalent fractions besides those.
2/9
They are: 16/18 and 24/27
14/36 and 10/36
10 over 12 or 15 over 18.
16 over 18 and 24 over 27
Two equivalent fractions for 6/18 are 3/9 and 1/3.
18/25, 360/500
4/18 and 8/36.
160/180 and 1600000000/1800000000
5/6, 10/12