66.67% is what you get when you turn the fraction 10/15 into a percentage. This value is rounded to two decimal places, so it’s easy to read and use in everyday situations.
The fraction 10/15 can be reduced to 2/3, which shows that it represents two parts out of three equal pieces. Whether you’re cutting a pizza, sharing a project, or looking at test scores, 2/3 (or 10/15) tells you a clear part‑to‑whole relationship.
Expressing that same part as a percentage, 66.67%, makes it simple to compare with other percentages, like discount rates or grade percentages. Percentages are handy because they always refer to a base of 100, so you can quickly see how big or small a portion is.
