two equivalent fractions for 3 over 15 = 6/30, 9/45
45/60 = 15/20 = 3/4
2 over 3 and 30 over 45
4 over 30 and 6 over 45
8/30 and 12/45
450/600 or 4545/6060 are two examples.
5
11 22 33 15 30 45
2/15=4/30=6/45
15/16
50/90=25/45=5/9
36/90 = 18/45 = 6/15 = 2/5