Step 1: Start with the fraction 3/5.

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

3 ÷ 5 = 0.6

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

0.6 × 100 = 60.0%

Final Answer: 3/5 as a percentage is 60.0%.