Step 1: Start with the fraction 6/9.

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

6 ÷ 9 = 0.6667

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

0.6667 × 100 = 66.67%

Final Answer: 6/9 as a percentage is 66.67%.