Step 1: Start with the fraction 45/16.

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

45 ÷ 16 = 2.8125

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

2.8125 × 100 = 281.25%

Final Answer: 45/16 as a percentage is 281.25%.