Step 1: Start with the fraction 42/19.

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

42 ÷ 19 = 2.2105

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

2.2105 × 100 = 221.05%

Final Answer: 42/19 as a percentage is 221.05%.