Fractions Overview
Simply
put, a rational number is a fraction. A rational
number is one which can be made by dividing one number by another
nonzero number.
The number on the top is the numerator, the number on the bottom
is the denominator.
To make any number into a fraction, add a denominator of 1. It could
be argued that the simplest fraction is ^{1}⁄_{1}.
1 
= _{} 
^{1}⁄_{1} 
13 
= 
^{13}⁄_{1} 
^{42}⁄_{1} 
= _{} 
42 
14,128 

1 

= 
14,128 
Fractions can be written with a sloping line or a horizontal line. Which
is used might depend on how tidy it looks, or what you are doing with
it. They have exactly the same meaning.
1 

2 

= _{} 
^{1}⁄_{2} 
^{1,234}⁄_{5,678} 
= 
1,234 

5,678 
