#include <iostream> using namespace std; struct fraction { int numinator,denominator; }; fraction functadd(fraction a,fraction b) { fraction ans; ans.numinator=(a.numinator*b.denominator)+(b.numinator*a.denominator); ans.denominator=a.denominator*b.denominator; return ans; } fraction functsubtr(fraction a,fraction b) { fraction ans; ans.numinator=(a.numinator*b.denominator)-(b.numinator*a.denominator); ans.denominator=a.denominator*b.denominator; return ans; } fraction functmulti(fraction a,fraction b) { fraction ans; ans.numinator=a.numinator*b.numinator; ans.denominator=a.denominator*b.denominator; return ans; } fraction functdivide(fraction a,fraction b) { fraction ans; ans.numinator=a.numinator*b.denominator; ans.denominator=a.denominator*b.numinator; return ans; } void main() { fraction number[2]; char c; char oprtr; fraction result; for(int n=1;n!=0;) { int showans=1; cout<<"\nEnter Values in this form 2/3+4/3 :"; cin>>number[0].numinator>>c>>number[0].denominator>>oprtr>>number[1].numinator>>c>>number[1].denominator; if(oprtr=='+') { result=functadd(number[0],number[1]); n=0; } else if(oprtr=='-') { result=functsubtr(number[0],number[1]); n=0; } else if(oprtr=='*') { result=functmulti(number[0],number[1]); n=0; } else if(oprtr=='/') { result=functdivide(number[0],number[1]); n=0; } else { cout<<"You have used an invalid Operator, Please use any one of following operators\n+ , - , *, /\n\n"; n=1; showans=0; } if (showans==1) { cout<<"Answer = "<<result.numinator<<"/"<<result.denominator; } cout<<"\n\nContinue? y/n"; char var; cin>>var; if(var=='y') n=1; else if(var=='n') { n=0; } } }

#include <iostream> using namespace std; struct fraction { int numerator,denominator; }; fraction functadd(fraction a,fraction b); fraction functsubtr(fraction a,fraction b); fraction functmulti(fraction a,fraction b); fraction functdivide(fraction a,fraction b); int lcm(int val1, int val2); void main() { fraction number[2]; char c; char oprtr; fraction result; for(int n=1;n!=0;) { int showans=1; cout<<"\nEnter Values in this form 2/3+4/3 :"; cin>>number[0].numerator>>c>>number[0].denominator>>oprtr>>number[1].numerator>>c>>number[1].denominator; switch (oprtr) { case '+': result=functadd(number[0],number[1]); n=0; break; case '-': result=functsubtr(number[0],number[1]); n=0; break; case '*': result=functmulti(number[0],number[1]); n=0; break; case '/': result=functdivide(number[0],number[1]); n=0; break; default: cout<<"You have used an invalid Operator, Please use any one of following operators\n+ , - , *, /\n\n"; n=1; showans=0; break; } if (showans==1) { cout<<"Answer = "<<result.numerator<<"/"<<result.denominator; } cout<<"\n\nContinue? y/n : "; char var; cin>>var; if(var=='y') n=1; else if(var=='n') { n=0; } } } /*----------------------------------------------------------------- Functions are Given Below ------------------------------------------------------------------*/ fraction functadd(fraction a,fraction b) { fraction ans; ans.denominator=lcm(a.denominator,b.denominator); ans.numerator=((ans.denominator/a.denominator)*a.numerator)+(ans.denominator/b.denominator)*b.numerator; return ans; } fraction functsubtr(fraction a,fraction b) { fraction ans; ans.denominator=lcm(a.denominator,b.denominator); ans.numerator=((ans.denominator/a.denominator)*a.numerator)-(ans.denominator/b.denominator)*b.numerator; return ans; } fraction functmulti(fraction a,fraction b) { fraction ans; ans.numerator=a.numerator*b.numerator; ans.denominator=a.denominator*b.denominator; return ans; } fraction functdivide(fraction a,fraction b) { fraction ans; ans.numerator=a.numerator*b.denominator; ans.denominator=a.denominator*b.numerator; return ans; } /*----------------------------------- Function for LCM Starts Here -------------------------------------*/ int lcm(int val1,int val2) { int lcm,check,big; check=65536; //Any Bigger Value greater than big if(val1>val2) big=val1; else if(val1<val2) big=val2; else big=val1; for(;big<=check;big++) { if(big%val1==0 && big%val2==0) { check=0; lcm=big; } } return lcm; } /*----------------------------------- Function for LCM Ends Here -------------------------------------*/