Step 1: Start with the fraction 55/4.

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

55 ÷ 4 = 13.75

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

13.75 × 100 = 1375.0%

Final Answer: 55/4 as a percentage is 1375.0%.