Step 1: Start with the fraction 42/56.

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

42 ÷ 56 = 0.75

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

0.75 × 100 = 75.0%

Final Answer: 42/56 as a percentage is 75.0%.