Insert a rational and irrational numbers between 3 & 5.
A rational number is any number that can be expressed as the quotient or fraction of two integers.
3.1 can be written as 31/10
3.5394172 = 35394172/10000000
4 = 4 or 4/1
4.5 = 45/10 or 9/2
and so on...
An irrational number is any real number that cannot be expressed as a ratio of integers.
One of the irrational numbers between 3 and 5, well known to us, is: 
+1694 
