Explanation
A rational number can be written as a ratio of two integers. For example:
• 3.5 is rational, because it can be written as the ratio 7/2.
,
• 9 is rational because it can be written as the ratio 9/1.
,
• 0.3333... is also rational, because it can be written as the ratio 1/3.
On the other hand, an irrational number is a real number that can not be written as a simple fraction.
In the case of π (π = 3.141592653589...), after decimal point, the digits go on forever and ever. In other words, π is an irrational number because it is a real number that cann
