Fractions
What is a Fraction?
Hugo has 1 Unit, which is one complete cake: 
. He cuts the Unit into 2 equal parts to share. Hugo takes 1 of the parts: 
. How can we describe his piece?
. He cuts the Unit into 2 equal parts to share. Hugo takes 1 of the parts: . How can we describe his piece?
When a unit is divided into 2 equal parts, each part is called one half. We write Hugo’s piece as \(\displaystyle \frac{1}{2}\).
Definition Fraction
A fraction has two numbers separated by a fraction bar: the numerator (on top) and the denominator (on the bottom). 