Step 1: Start with the fraction 7/40.

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

7 ÷ 40 = 0.175

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

0.175 × 100 = 17.5%

Final Answer: 7/40 as a percentage is 17.5%.