Step 1: Start with the fraction 15/11.

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

15 ÷ 11 = 1.3636

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

1.3636 × 100 = 136.36%

Final Answer: 15/11 as a percentage is 136.36%.