What is an irrational number?

Question

anonymous · Answer

Irrational numbers are numbers like Pi, Pi is a decimal that goes on forever that's an example of a irrational number.

anonymous · Answer

In other words Irrational Number are number that can't be written as a fraction.

mathstudent55 · Answer

A number that is not rational is an irrational number.
A rational number is a number that can be written as the quotient of two integers.

littlebird · Answer

Irrational numbers are numbers that don't have repeating decimals or terminate.

mathstudent55 · Answer

@greenlogedude57 wrote

"In other words Irrational Number are number that can't be written as a fraction."

$ \pi = \dfrac{\pi}{1} $

Above, $\pi$ is written as a fraction. Does that make it a rational number?

anonymous · Answer

Sorry "In other words Irrational Number are number that can't be written as a SIMPLE fraction."

anonymous · Answer

And it's "greenLEGOdude57".

mathstudent55 · Answer

I don't know what a simple fraction means.
How about caling it "a fraction of integers"?
Your misspelled name was simply a typo.