No
No.
It is: 6/9 = 2/3 simplified
Nine over twenty
5/8
nine fifteenths simplified
The answer is 5 and 1/3.
It is: 9/21 = 3/7 simplified
Nine over five (9/5) is the simplest form.
This fraction can not be simplified any further (9 & 20 do not have any common factors beyond "1").
you
nine over twelve or three over four if wanted simplified