12/15 as a percentage is 80.00%. This makes it easy to see that the fraction represents a solid four‑fifths of a whole. When you think of 80%, you can picture eight out of ten parts filled in, which matches the same proportion.
The fraction 12/15 can be reduced to 4/5, and that simple ratio is often used in everyday situations—like splitting a pizza into five slices and taking four of them. Seeing it as a percentage helps you compare it quickly with other numbers, such as test scores or discounts.
In practical terms, knowing that 12/15 equals 80.00% lets you estimate outcomes without doing extra math. Whether you’re budgeting, measuring progress, or just checking a grade, the percentage gives a clear, instantly understandable picture.