Step 1: Start with the fraction 5/15.

Step 2: To convert a fraction into a percentage, divide the numerator by the denominator.

5 ÷ 15 = 0.3333

Step 3: Multiply the result by 100 to get the percentage.

0.3333 × 100 = 33.33%

Final Answer: 5/15 as a percentage is 33.33%.