42/99 as a percentage is 42.42%. This fraction is a little less than half, so its percentage value sits just under the 50% mark. When you see the number 42.42%, you’re looking at the same quantity that 42 parts out of 99 would represent.
The fraction 42/99 can also be written as a repeating decimal: 0.424242… The “42” repeats over and over, which is why the rounded percentage ends with 42.42%. It’s a tidy pattern that makes the number easy to remember.
In everyday situations, you might use this percentage when comparing parts of a whole, such as a score, a survey result, or a share of a budget. Knowing that 42/99 equals about 42.42% lets you quickly understand the proportion without doing any extra math.