Step 1: Start with the fraction 25/40.

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

25 ÷ 40 = 0.625

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

0.625 × 100 = 62.5%

Final Answer: 25/40 as a percentage is 62.5%.