No, it cannot.
61/72 cannot be simplified.
61/36
78/61 cannot be simplified further.
47/72 is already simplified
-13/72 cannot be simplified.
It is: 72/96 = 3/4 simplified
61/72 is in its simplest form.
55/72
61/100 is in its simplest form.
No.
72/83 is simplified.
72/100 = 18/25