50/55 as a percentage is 90.91%. This number shows how close the fraction is to a whole, and it’s easy to read at a glance.
The fraction 50/55 can be simplified to 10/11, which still represents the same value. Whether you write it as a fraction or a percent, it tells you that the part is just a little under the whole.
In everyday life you might see this kind of ratio when comparing scores, measurements, or parts of a group. Knowing the percent makes it quick to compare with other numbers, like 80% or 100%.