The fraction 28/55 as a percentage is 50.91%. This means that if you split something into 55 equal parts and take 28 of them, you have just over half of the whole.
28/55 is a little more than 1⁄2, which is 0.5 or 50 %. The extra two percent shows that the fraction is slightly larger than a perfect half. In everyday terms, you could think of it as getting 50.91 out of every 100 units.
Knowing the percentage helps when you need to compare the fraction to other numbers that are already in percent form. It also makes it easy to communicate the size of the fraction in reports, charts, or simple explanations.