Step 1: Start with the fraction 25/20.

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

25 ÷ 20 = 1.25

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

1.25 × 100 = 125.0%

Final Answer: 25/20 as a percentage is 125.0%.