Step 1: Start with the fraction 15/22.

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

15 ÷ 22 = 0.6818

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

0.6818 × 100 = 68.18%

Final Answer: 15/22 as a percentage is 68.18%.