15/45 as a percentage is 33.33%. This value comes from the fraction 15 ÷ 45, which simplifies to 1⁄3, and when expressed as a percent it rounds to two decimal places.
The fraction 15/45 is easy to work with because both numbers are divisible by 15. When you divide the top and bottom by 15, you get 1/3. Knowing that 1/3 is one part out of three equal parts helps you see why the percentage is a little over a third of 100.
In everyday situations, you can think of 33.33% as about one‑third of anything—whether it’s a slice of pizza, a portion of a budget, or a segment of a test score. It’s a handy figure to remember because it shows up often when things are split into three equal parts.
