What is a Fraction

What is a Fraction Image to Crop

Fraction Definition:

An expression that measures equal parts of a whole.
It has two parts:
1) a numerator (top)
2) a denominator (bottom).

9 purple sections = numerator.
9 purple + 1 white = denominator

Fractions < 1. Numerator < denominator

Fractions > 1. Numerator > denominator

Fractions = 1. Numerator = denominator

Free What is a Fraction Calculator - This lesson walks you through what a fraction is and the different parts of a fraction.

Fractions are written as n/d where n is the numerator and d is the denominator
Fractions > 1 = Improper
Fractions < 1 = Proper
Fractions = 1 = Whole

For more math formulas, check out our Formula Dossier

denominator: The bottom portion of a fraction. For a/b, b is the denominator
fraction: how many parts of a certain size exist
a/b where a is the numerator and b is the denominator
numerator: the number above the line in a common fraction
prealgebra: gives you introductory concepts related to numbers and equations to prepare you for Algebra.
whole number: numbers that include natural numbers and zero
{0, 1, 2, 3, ...}