55/75 as a percentage is 73.33%. This number tells you how much of a whole 55 parts out of 75 represent when you look at it in terms of 100.
The fraction 55/75 can be simplified to 11/15, which still equals the same percentage. Whether you keep it as 55/75 or 11/15, the value stays at 73.33% when expressed as a percent.
Knowing the percentage helps when you compare parts of a whole in everyday situations, like grades, discounts, or statistics. Rounding to two decimal places keeps the figure easy to read while still being accurate enough for most practical uses.