40/42 expressed as a percentage is 95.24%. This number tells you how close the fraction is to a whole, and it’s useful when you need a quick, easy‑to‑read figure.
The fraction 40/42 can be simplified to 20/21, but the percentage stays the same. Seeing it as a percent makes it clear that it’s just a little under 100 %, which is often easier to compare with other numbers.
In everyday situations, you might use this percentage to describe success rates, completion levels, or any scenario where something is almost finished but not quite perfect. It’s a handy way to communicate the idea that something is very close to being complete.