Step 1: Start with the fraction 3/6.

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

3 ÷ 6 = 0.5

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

0.5 × 100 = 50.0%

Final Answer: 3/6 as a percentage is 50.0%.