The fraction 31/78 expressed as a percentage is 39.74%. This value tells you how large the part is compared to a whole, using the familiar percent format.
The original fraction, 31 divided by 78, is a simple way to show a portion of something. It can be reduced to its lowest terms, but the numbers already give a clear picture of the relationship between the two values.
In everyday situations, you might see this percentage when dealing with test scores, discounts, or statistics. Knowing that 31 out of 78 is about 39.74% helps you quickly gauge how big or small a part is.
Remember, percentages are just another way to talk about fractions, making them easier to compare and understand at a glance.