21/98 as a percentage is 21.43%. This is the value you get when you express the fraction in terms of parts per hundred, rounded to two decimal places.
The fraction 21/98 can be reduced to 3/14, but the size of the part stays the same. Whether you write it as 21/98, 3/14, or 21.43%, the proportion it represents does not change.
In everyday life you might see this kind of number when dealing with discounts, test scores, or statistics. Knowing that 21/98 is about 21.43% helps you quickly gauge how large or small the portion is compared to a whole.
