Step 1: Start with the fraction 9/5.

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

9 ÷ 5 = 1.8

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

1.8 × 100 = 180.0%

Final Answer: 9/5 as a percentage is 180.0%.