Step 1: Start with the fraction 19/45.

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

19 ÷ 45 = 0.4222

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

0.4222 × 100 = 42.22%

Final Answer: 19/45 as a percentage is 42.22%.