28/54 as a percentage is 51.85%. This means that the fraction is just over half of a whole when expressed in percent form.
The fraction 28/54 can be reduced to 14/27, which still represents the same value. Whether you write it as a fraction or a percentage, the size of the part stays the same.
Knowing the percentage helps when you compare numbers in real life, like figuring out a discount or a test score. It’s a quick way to see that 28 out of 54 is a little more than fifty percent.