Question

What are the conditions for a no to be rational?

Answer 1

Properties of Rational NumbersThe sum of two or more rational numbers is always a rational number. For example: i) If  and are any two rational numbers then  is also a rational number. ii)   and  then , which is also a rational number.The difference of two rational numbers is always a rational number. For example: i) If  and  are any two rational numbers then each of  and  is also a rational number ii)   and  then , which is also a rational number. Also, , which is also a rational number.The product of two or more rational numbers is always a rational number. For example: If  and are two rational numbers, then The division of a rational number by a non-zero rational number is always a rational number. For example: If  and  are two rational numbers and , then  is always a rational number