31 divided by 87 equals 35.63% when expressed as a percentage (rounded to two decimal places).
The fraction 31/87 is a simple way to show a part of a whole, and it can be useful when you need an exact ratio without rounding.
In everyday situations, such as calculating a discount or a test score, thinking of the fraction as a percentage makes it easier to compare with other numbers.
Remember that the 35.63% figure is an approximation; the exact value has more decimal places, but this rounded version is usually sufficient for most practical purposes.