Step 1: Start with the fraction 37/42.

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

37 ÷ 42 = 0.881

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

0.881 × 100 = 88.1%

Final Answer: 37/42 as a percentage is 88.1%.