5/6 as a percentage is 83.33%. This fraction means you have five parts out of a total of six, which is a little less than the whole.
When you see 5/6 in everyday situations—like a pizza cut into six slices and five of them are eaten—it’s easy to think of the amount as a percentage. Saying 83.33% just makes the size of the portion clearer for people who prefer percentages.
The same value works in many other contexts, such as grades, discounts, or measurements. Knowing that 5/6 equals 83.33% helps you compare it quickly with other percentages you encounter.