48/9 is a fraction in ratio form. It can be simplified, if you so wish.
9/48 = 0.1875
5/12 + 9/16 = 20/48 + 27/48 = 47/48
9 goes into 48 5 times with 3 over.
divide both sides by 3 9/48 = 3/16
48/54 = 8/9
7/24 - 3/16 = 14/48 - 9/48 = 5/48.
3 over 16.
9 over 16
4/9
489 is an integer, and so there is not a sensible way of representing it as a mixed number.
48 = 6 * 8. 54 = 6 * 9. The sixes cancel: 8/9
48