12/63 as a percentage is 19.05%. This value comes from turning the fraction into a percent and rounding to two decimal places. It gives a quick sense of how large the fraction is compared to a whole.
The fraction 12/63 can be simplified to 4/21, which is still the same part of a whole. Even after simplifying, the percentage stays at 19.05%, showing that the size of the part doesn’t change.
In everyday use, saying “about 19%” is often enough, but the precise rounded figure is 19.05%. This makes it easy to compare the fraction with other percentages or to use it in calculations.