The fraction 42/86 expressed as a percentage is 48.84%. This rounded value tells you how much of a whole the fraction represents when you look at it on a 100‑point scale.
If you simplify 42/86, you get the reduced fraction 21/43. Both forms point to the same size, but the percentage makes it easier to compare with other numbers you might see in everyday life, like test scores or discounts.
Knowing that 42/86 is about 48.84% can help you quickly judge whether something is roughly half of a whole. It’s a handy reference for estimating and making simple decisions without needing a calculator.
