If you divide the numerator by the denominator you will get a decimal, and multiply that decimal by 100 to get the percentage
0.68
9/20
9/10
79/100
1/4
3/10.
19/20.
19/20
9/20
50 percent turned into a fraction = 1/2 in simplest form= 50%/100%= 50/100 or 5/10 or 1/2
23/100
13% = 13/100