Divide them both by their GCF, 21. Get 2/5
4 over 5 is in simplest form.
The fraction 44 over 99 put in its simplest form is 4/9
3 over 12 put in simplest form is 1/4.
33/50 is already in simplest form.
52/7 is already in its simplest form
28/3 is in its simplest form.
11 over 17
15/73
27/125
7/8
1/5
1/85