Math & Statistics

What Is an Improper Fraction?

An improper fraction is a fraction whose numerator is greater than or equal to its denominator, such as 7/4 or 5/5, so its value is 1 or more. It can be rewritten as a whole number or a mixed number: 7/4 = 1 3/4.

Proper vs. Improper

In a proper fraction, the numerator is smaller than the denominator, so its value is less than 1.

Why It Is Used

Improper fractions are easier to multiply and divide than mixed numbers.

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Last updated: September 27, 2026. This definition is for general educational purposes only. It is not financial, investment, tax, legal, or medical advice, and it does not recommend any product or course of action. For decisions about your own situation, consult a qualified professional.