5
45/50 = 9/10
15 over 25 is 15/25. Equivalent fractions are 3/5, 30/50, 45/75, 60/100, etc.
3/10 = 30/100
1/2 and 5/10
15/25 = 30/50 = 45/75 = 60/100
2 equivalent fractions of 20 over 50 = 2/5, 40/100
40/50 and 20/25 and 4/5 are three equivalent fractions.
24/25, 72/75
10/9
3/10, 6/20
3/5 or 6/10
50/100, 50000/100000 are two.