57 over 99 in lowest terms = 19/33
80 over 99 is already in lowest terms.
158/198 = 79/99 in lowest terms.
No because 99/121 = 9/11 in its lowest terms
1/3
No because 28/99 is already in its lowest terms
Yes. There is no factor that can be divided into 99 and 100 evenly.
11/9
It is: 57.'57'% recurring '57'
97
It is: 99/50 in its lowest terms
1300/99
9/16