Step 1: Start with the fraction 2/20.

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

2 ÷ 20 = 0.1

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

0.1 × 100 = 10.0%

Final Answer: 2/20 as a percentage is 10.0%.