It is: 4/7
28 over 20 reduced = 7/5
It can be reduced from 16/240 to 1/15
5/16 cannot be reduced further.
It cannot be reduced.
1/16 cannot be reduced. In fact, no unit fraction can be reduced.
28 over 16 would be: 28/16 = 7/4
75/16 cannot be reduced further.
It is 49/16 which cannot be reduced.
28/52 = 7/13
No 28/29 cannot be reduced.
No