1/4, 2/8, 3/12, 5/24, 6/20, 9/36, 15/60... etc
30/120, 303/1212 are two examples.
Four equivalent fractions for 7/15 are 14/30, 28/60, 56/120, and 112/240.
two equivalent fractions for 3 over 15 = 6/30, 9/45
equivalent fractions for 10 over 4 = 5/2, 20/8, 30/12
Two fractions that are equivalent to 12/15 are 4/5 and 24/30.