[13] you hve been hired by fraction calculator to write a c++ console application that lets the user perform arithmetic operations on fractions. fractions are of the form a/b, in which a and b are integers and b≠0. your program must be menu driven, allowing the user the select the operation (+, -, *, or /) and input the numberator and denominator of each fraction. furthermore, your program must consist of at least the following functions: menu: this function informs the user about the programs purpose, explains how to enter data, and allows the user to select the operation; addfraction: this function takes as input four integers representing the numerators and denominators of two fractions, adds the fractions, and returns the numerator and the denominator as result (hint: user & ); subtractionfractions: this function takes as input four integers representing the numerators and denominators of two fractions, subtracts the fractions, and returns the numerator and the denominator as result (hint: user & ); multiplyfractions: this function takes as input four integers representing the numerators and denominators of two fractions, multiplies the fractions, and returns the numerator and the denominator as result (hint: user & ); dividefractions: this function takes as input four integers representing the numerators and denominators of two fractions, divides the fractions, and returns the numerator and the denominator as result (hint: user & );