The number 1.5¯¯¯ belongs to the subset of Rational numbers.
Rational Numbers: A real number that can be written as a simple fraction, i.e, a ratio of two integers is known as a rational number. For example, 1.5 can be said to be a rational number because it can be written as 3/2; 202 is a rational number because it can be written in fractions as 202/1, or 404/2.
Irrational Numbers: A real number that can’t be written as a simple fraction is known as an Irrational number. For example, pi= 3.14159 cannot be written as a simple fraction and that’s why it is an irrational number.
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