Step 1: Start with the fraction 55/91.

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

55 ÷ 91 = 0.6044

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

0.6044 × 100 = 60.44%

Final Answer: 55/91 as a percentage is 60.44%.