22/45 as a percentage is 48.89%. This number tells you that the fraction is a little under half of a whole.
The fraction 22/45 can be thought of as 22 parts out of 45 equal parts. It’s a bit smaller than 1/2, which would be 0.5 or 50%. When you see it written as a percent, it’s easier to compare with other percentages you might meet in everyday life.
In many situations—like grading, budgeting, or sports stats—people use percentages because they are quick to read. The rounded figure 48.89% is precise enough for most casual uses, while still showing the exact relationship between the numerator and denominator.