Step 1: Start with the fraction 38/3.

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

38 ÷ 3 = 12.6667

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

12.6667 × 100 = 1266.67%

Final Answer: 38/3 as a percentage is 1266.67%.