Those numbers which can be expressed as p/q are rational numbers.
Eg:- 2/3, 3/4
Q: Is 1/2 a rational number?View Answer
Since it is of the form p/q
∴ 1/2 is a rational number.
Q: Is 2 a rational number?View Answer
Yes, 2 = 2/1
So, it can be expressed as p/q
∴ 2 is a rational number.
So, all natural numbers, whole numbers and integers are rational numbers.
Also learn how to find decimal expansion of numbers.