Question

explain how to classify a rational or irrational numbers

Answer 1

rational become always in form of p/q where qis not equal to 0

Answer 2

Recurring decimals such as 0.26262626…, all integers and all finite decimals, such as 0.241, are also rational numbers. Alternatively, an irrational number is any number that is not rational. It is a number that cannot be written as a ratio of two integers (or cannot be expressed as a fraction).