Yes. 2/5
2/15
5/6 is.
It is 2 over 5
15/90 = 3/18 = 1/6
5 over 6. However, this is a fraction, not a ratio
15/43 is simplified.
It is 15/9 which can be simplified.
It can not be simplified further.
6/90 => 3/45 => 1/15 i.e. what number goes into 90, 6 times? 15.
1/4 (simplified from 15/60)
15/48 is simplified to 5 over 16