When you turn 51⁄91 into a percent, you get 56.04%. This tells you that a little more than half of the whole is represented by the fraction.
The fraction 51⁄91 is already in simplest form, so it can’t be reduced any further. It’s useful when you need to compare parts of a set that isn’t a round number, like 51 out of 91 students who passed a test.
Because we round the percent to two decimal places, 56.04% is a quick way to see the size of the fraction without doing long division each time. It’s handy for reports, charts, or any situation where a clear, short figure is needed.