Rational expression refers to a fraction in which the numerator and denominator are polynomials. Polynomials are variables. So therefore rational expression is the answer to the term that describes a fraction that has a variable or variables expression in its numerator and it denominator or both.
Answer: the term described a fraction that has a variable or variable expression in its numerator is called the rational number
Explanation:
Rational number is basically the quotient of two integers and the denominator is not zero (remember that you can never divide by zero; if you do the answer always will be infinity)
The solution and complete explanation for the above question and mentioned conditions is given below in the attached document.i hope my explanation will help you in understanding this particular subject.