Step 1: Start with the fraction 5/18.

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

5 ÷ 18 = 0.2778

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

0.2778 × 100 = 27.78%

Final Answer: 5/18 as a percentage is 27.78%.