They are: 14/16 and 21/24
14 over 22 21 over 33
There are an infinite number of such fractions. 14/26, 21/39 are two examples.
1/7, 2/14
10/28, 15/42
14/16, 21/24
28/54, 42/81
14/24 and 7/12
8/14 & 12/21
7/6 28/24
14/22 and 21/33
They are: 4/14 and 8/28