15 / 99 = 5 / 33
theres only one equivalent fraction and that's 33/55 = 3/5
Some equivalent fractions of 11/13 are: 22/26 = 33/39 = 44/52 = 55/65
26/52 = 1/2 = 33/66 = 400/800
7/21 or 9/27 are both equivalent fractions to 1/3.... there are many others !
It is: 2/3
They are: 33/39 = 11/13 or 22/26
11/13, 22/26
14 over 22 21 over 33
14/22 and 21/33
22/34, 33/51
20/22, 30/33
6/11 = 12/22 = 18/33
18/22, 27/33, 36/44
2/11 = 4/22 = 6/33
11 22 33 15 30 45
7/11 = 14/22 = 21/33