42/84 as a percentage is 50.00%. This fraction is exactly one‑half, so when you look at it in percent form it shows that half of a whole equals fifty percent.
The fraction 42/84 can be simplified by dividing both the numerator and the denominator by 42, which leaves you with 1/2. Seeing it as one‑half makes it easy to understand that it represents an even split: one part out of two equal parts.
In everyday life, you’ll see 50.00% used to describe things like a 50‑percent discount, a test score where half the questions are right, or any situation where something is divided right down the middle. It’s a handy number that tells you something is exactly halfway there.
