42/80 as a percentage is 52.50%. This fraction simplifies to a little more than half, which is useful when you need a quick sense of proportion.
When you see 42 out of 80 items, think of it as just over five‑tens of a hundred. In everyday language, you could say “about fifty‑two and a half percent.” That makes it easy to compare with other percentages you might encounter.
The same value works for any situation where you need to express a part of a whole as a percentage—whether it’s a test score, a budget item, or a sports statistic. Just remember that 52.50% tells you the same thing as the fraction 42/80.
