42/46 as a percentage is 91.30%. This tells you that the fraction is just a little under a whole, or 100 %.
The fraction 42/46 can be reduced by dividing both numbers by 2, giving 21/23. Even after reduction, it still represents a large portion of a whole—about nine‑tenths when expressed as a percent.
In everyday situations, you might see this kind of percentage when measuring success rates, test scores, or parts of a budget. Knowing that 42 out of 46 is 91.30% helps you quickly understand how close the result is to a full 100 %.