# Fractions Math Review - Introduction to Fractions

math tutorials > Introduction to Fractions

## What are fractions?

**Fractions** are part of a whole.

The bottom number is called the **denominator**.

The top number is called the **numerator**.

Fractions can be illustrated with diagrams.

The circle has been divided into 6 equal parts, 4 of which have been
shaded.

## Fraction problems for you to try.

Express the shaded area as a fraction of the whole.