Question

What are rational and irrational number

Answer 1

Answer:

Step-by-step explanation:  Rational Number. Any number that can be written as one integer over another. Includes positive numbers, negative numbers, zero, whole numbers, integers, fractions, terminating decimals, and repeating decimals. Ex: 1/4, 5, -9, 1.8, 1.33333.

But some numbers cannot be written as a ratio of two integers ...

...they are called Irrational Numbers.

Example: π (Pi) is a famous irrational number.

π = 3.1415926535897932384626433832795..

hope this helps u.........

Answer 2

Answer:

Rational number : It is the number which can be written in the p/q form and both are integers where q is not equal to zero.

Eg : 2 34, 4/5 etc

Irrational number: It is the number which can't be written in the p/q form and both are integers where q is a non zero number. Eg 2.34..... , 2/3 etc

Rational number are of 2 types Terminating numbers and recurring number .

Irrational number are of 2 types non terminating number and non recurring numbers.

An easy way to identify whether it is a rational number or irrational number

The denominator should be the multiple of 2 and 5 . Eg 2/10 its denominator is a multiple of both 2 and 5