Step 1: Start with the fraction 36/21.

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

36 ÷ 21 = 1.7143

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

1.7143 × 100 = 171.43%

Final Answer: 36/21 as a percentage is 171.43%.