Step 1: Start with the fraction 45/50.

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

45 ÷ 50 = 0.9

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

0.9 × 100 = 90.0%

Final Answer: 45/50 as a percentage is 90.0%.