Percent means 'per hundred' so 17% = 17/100. The only common factor between 17 and 100 is 1, so it is already in simplest form.
9/20
16/25
49% = 49⁄100
52% = 13⁄25
3/4
46 percent as a fraction in simplest form is 23/50.
34.6 percent as a fraction in simplest form is 173/500
0.05 percent as fraction in simplest form is 1/2000
210 percent as a fraction in simplest form is 21/10
27 percent as simplest form fraction is 27/100
0.9 percent as fraction in simplest form is 9/100
107 percent as a fraction in simplest form is 107/100