An fraction is an expression that measures equal parts of a whole. It consists of a numerator (top) and a denominator (bottom).

We denote a fraction using the image below:

For the image above, the 9 purple sections denote the numerator or top. The 9 purple and 1 white section (10 sections) denote the denominator or bottom. We write the fraction below:

9

10

Proper Fractions:

Proper Fractions are fractions less than one. The numerator (top) is less than the denominator (bottom).

Proper Fraction Examples:

1

3

9

10

Improper Fractions:

Improper Fractions are fractions greater than or equal to one. The numerator (top) is greater than or equal to the denominator (bottom).

Improper Fraction Examples:

3

3

12

10

How does the What is a Fraction Calculator work?

This lesson walks you through what a fraction is and the different parts of a fraction.

What 4 formulas are used for the What is a Fraction Calculator?

Fractions are written as n/d where n is the numerator and d is the denominator