## Simple Fraction Class

Code Id 41 11/7/2010 Simple Fraction class ```This program allows the user to enter to fraction and then the program will print the fraction added together and reduced ``` ```#include void ReadFraction(int &Num, int &Denom, int &Num2, int &Denom2) /* This function will allow the user to enter two fraction. */ { cout << "Enter the numerator for the first fraction: "; cin >> Num; cout << "Enter the denominator for the first fraction: "; cin >> Denom; cout << endl; cout << "Enter the numerator for the second fraction: "; cin >> Num2; cout << "Enter the denominator for the second fraction: "; cin >> Denom2; cout << endl; } //------------------------------------------------------------------- void Reduce(int &Num, int &Denom, int &Num2, int &Denom2) /* This function is called after ReadFraction(). This function will reduce the two fractions. Pre: Two Fractions Post: Two reduced fractions */ { int a, b, c, d, i, j = 0; a = Denom; b = Num; c = Denom2; d = Num2; for (i = a * b; i > 1; i--) { if ((a % i == 0) && (b % i == 0)) { a /= i; b /= i; } } for (j = 50; j > 1; j--) { if ((c % j == 0) && (d % j == 0)) { c /= j; d /= j; } } Denom = a; Num = b; Denom2 = c; Num2 = d; } //------------------------------------------------------------------- void Reduce(int &Num, int &Denom) /* This function is called from AddFraction(). The fraction added in AddFraction() is reduced here. Pre: One fraction added from two Post: A reduced fraction */ { int a = 0; int b = 0; int i = 0; a = Denom; b = Num; for (i = 50; i > 1; i--) { if ((a % i == 0) && (b % i == 0)) { a /= i; b /= i; } } Denom = a; Num = b; } //------------------------------------------------------------------- void AddFraction(int &Num, int &Denom, int &Num2, int &Denom2) /* This function is called after Reduce. This function adds the two fractions Reduce() reduced Pre: Two Fractions Post: One reduced fraction */ { if (Denom != Denom2) { Num = Num * Denom2; Num2 = Num2 * Denom; Denom = Denom * Denom2; Denom2 = Denom2 * Denom; Num = Num + Num2; } else { Num = Num + Num2; } Reduce(Num, Denom); } //------------------------------------------------------------------- void DisplayFraction(int &Num, int &Denom) /* This function displays the reduced and added fraction. This function is called after AddFraction() Post: Prints fraction */ { cout << "The reduced and added fraction is " << Num << "/" << Denom << endl; } //------------------------------------------------------------------- int main() { char an; do { int Num, Denom, Num2, Denom2 = 0; ReadFraction(Num, Denom,Num2,Denom2); Reduce(Num, Denom, Num2, Denom2); AddFraction(Num, Denom, Num2, Denom2); DisplayFraction(Num, Denom); cout << endl; cout <<"Would you like to do another fraction? "; cin >> an; cout << endl; } while ((an == 'y') || (an == 'Y')); return(0); } ```