5/15 = 0.33... (repeating).
You do absolutely NOTHING! 15 is already in decimal form.
Divide 8 by 15 and that would be your decimal. .533 repeating 3
0.5
5% = 0.05
0•5×5•5=2•75
13 over 15 = 13 ÷ 15 = 0.866667
0.06666 repeating
15
5/8 =0.625
4/5 = 0.80
15 over 45 into decimal = 0.3333
To convert percent (%) to decimal: 1. Remove the % sign. 2. Divide the percent rate (%) by 100. Example: 15% = 15/100 = 0.15 in decimal