Step 1: Start with the fraction 40/52.

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

40 ÷ 52 = 0.7692

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

0.7692 × 100 = 76.92%

Final Answer: 40/52 as a percentage is 76.92%.