a java program to ask user input of two fraction numbers andoperators (+, - , *

Question

a java program to ask user input of two fraction numbers andoperators (+, - , * , / ) , that uses loop to run program untilluser wants to continue it again by answering 1 for yes and 2 forno. ( make sure output results is a reduced fraction number)

Explanation / Answer

x.P5lor="red">please rate - thanks reducing negative fractions was getting a little "hairy" and I didn't know how complete you wanted that--I do have improper fractions changing to mixed numbers, so get back to me if there is anything you want change import java.util.*; public class fractions { public static void main(String[] args)     {Scanner in=new Scanner(System.in);      int num1,num2,den1,den2,more,num3=0,den3=0,factor,n=0;       boolean goodop;       String operation;       char op=' ';       do        {System.out.println("For the first fraction:");         System.out.print("Enter the numerator:");         num1=in.nextInt();           System.out.print("Enter the denominator:");         den1=in.nextInt();           System.out.println("For the second fraction:");         System.out.print("Enter the numerator:");         num2=in.nextInt();           System.out.print("Enter the denominator:");         den2=in.nextInt();           in.nextLine(); //clear buffer of enter           goodop=false;           while(!goodop)              {System.out.println("Enter the operation to perform");               System.out.println("+ addition");               System.out.println("- addition");               System.out.println("* addition");               System.out.println("/ addition");                operation=in.nextLine();                op=operation.charAt(0);                switch(op)                     {case '+':num3=num1*den2+num2*den1;                                den3=den1*den2;                                goodop=true;                                       break;                    case '-':num3=num1*den2-num2*den1;                                den3=den1*den2;                                goodop=true;                                       break;                  case '*':num3=num1*num2;                                den3=den1*den2;                                goodop=true;                                       break;                  case '/':num3=num1*den2;                                den3=den1*num2;                                goodop=true;                                       break;                       default: System.out.println("Invalid Entry");                   }                }                   factor=reduce(num3,den3);                   num3/=factor;                   den3/=factor;                   if(num3

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