Question

Is 1.5 a real number if not then what is it?

Answer 1

yes 1.5 is a real numbers it belongs to the rational numbers as it can be expressed in the form of p/q i.e.3/2
                                        hope this info is enough to understand

Answer 2

1.5 is a rational number. As every rational number is a real number 1.5 is also a real number.