It is already in reduced form.
97/500
The fraction 141/500 cannot be reduced any more.
77.8% as a reduced fraction is: 389/500
It is 1/4
0.042 as a reduced fraction is 21/500
The fraction 447/500 cannot be reduced any more.
57.8% = 289/500
57.8% = 289/500
65.8% = 329/500.
The fraction 18 over 1000 reduced to its simplest terms is 9/500
874/1000 Which reduces to 437/500
0.306 = 153/500 in reduced terms