A rational number is a number that can be expressed as a fraction p/q, where p and q are integers and q is not equal to zero.

The set of all rational numbers is denoted by Q. What is a rational number example? A rational number is any number that can be expressed as a fraction p/q, where p and q are integers and q is not equal to zero. Examples of rational numbers include 1/2, 3/4, and 4/5.

##### Is 4 a rational number?

Yes, 4 is a rational number. A rational number is any number that can be expressed as a fraction, where both the numerator and denominator are integers. In other words, a rational number is a number that can be written in the form a/b, where a and b are integers. 4 can be written as 4/1, which meets the definition of a rational number. Is 2 a rational number? Yes, 2 is a rational number. A rational number is any number that can be expressed as a fraction p/q, where p and q are integers and q is not equal to zero. 2 can be expressed as the fraction 2/1, so it is a rational number. Is 0. 1875 rational or irrational? 0.1875 is a rational number. It can be expressed as the fraction 1875/10000. Is 3/5 an irrational number? No, 3/5 is not an irrational number. It is a rational number, because it can be expressed as a fraction, with a numerator (3) and a denominator (5) that are both integers.