1. Chapter 3
Fractions

2. A fraction is a part of a whole.
Example :
Numerator
1 out of 6 equal sections of a circle is
Denominator

3. Equivalent fractions are fractions with the same value.
X4
Example : x2 x3
1 2 3 4
= = =
2 4 6 8
X2
X3
X4

4. A Mixed Number consists of a whole number and a fraction.
1 4 1
Example : 1 , 2 , 7
3 5 4
A proper fraction has numerator that is smaller than its denominator.
3 3 2 4
Example : 5 , 4 , 7 , 5
An improper fraction has a numerator that is equal or bigger than its denominator.
5 4 7 2
Example : , , ,
5 3 6 2
An improper fraction can be changed into a mixed number
Example :
2
11 1
=2 5 11
5 5 10
1

5. Addition and subtraction can be implemented to fractions with common denominator
Example :
1 3 4
+ 7=
7 7