Step 1: Start with the fraction 31/20.

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

31 ÷ 20 = 1.55

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

1.55 × 100 = 155.0%

Final Answer: 31/20 as a percentage is 155.0%.