42/58 as a percentage is 72.41%. This shows that the fraction is a little more than two‑thirds when you look at it in terms of percent.
The fraction 42/58 can be reduced to its simplest form by dividing both numbers by 2, giving 21/29. Even in its reduced form, it still represents the same value, which is about seventy‑two percent of a whole.
Seeing the percentage helps you compare this amount to other numbers quickly. For example, 70% of a class of 30 students would be 21 students, which is close to the 21/29 proportion we have here.
In everyday use, you might round 72.41% to 72% for a quick estimate, but the more precise figure is useful when exact calculations are needed.
