The fraction 22/55 equals 40.00% when expressed as a percentage. This value is rounded to two decimal places, so it is easy to read and compare with other percentages.
If you simplify 22/55, you get the simpler fraction 2/5. Both fractions represent the same part of a whole, just written in different forms. Seeing it as a fraction can help when you work with parts of a set, while the percentage form is handy for quick comparisons.
In everyday life, a 40.00% rate might describe a discount, a test score, or the portion of a task completed. Knowing that 22/55 matches this percentage makes it simple to switch between the two ways of showing the same amount.