Step 1: Start with the fraction 45/27.

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

45 ÷ 27 = 1.6667

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

1.6667 × 100 = 166.67%

Final Answer: 45/27 as a percentage is 166.67%.