Step 1: Start with the fraction 11/2.

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

11 ÷ 2 = 5.5

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

5.5 × 100 = 550.0%

Final Answer: 11/2 as a percentage is 550.0%.