6/21 as a percentage is 28.57%. This value tells you how much of a whole 6 parts out of 21 represent when you look at it in terms of 100.
The fraction 6/21 can be reduced to 2/7, which is a simpler way to see the same proportion. Whether you write it as 2/7 or 6/21, the amount stays the same.
Knowing the percentage helps when you compare this fraction to other numbers, like test scores or discounts. It’s a quick way to understand the size of the part relative to the whole.
