#include <stdio.h>
#include <stdlib.h>


void printFraction(int numerator, int denumerator)
{
	printf("%2d\n", numerator);
	printf("--\n");
	printf("%2d\n", denumerator);
	printf("\n");
}

int addFractions_n(int numerator_A,  int denumerator_A, int numerator_B, int denumerator_B)
{
	int result_n;
	int result_d;
	
	result_n = numerator_A * denumerator_B  +  denumerator_A * numerator_B;
	result_d = denumerator_A * denumerator_B;
	
	return result_n; // we can return only the numerator or the denumerator
	                 // but noth both :(
}

int addFractions_d(int numerator_A,  int denumerator_A, int numerator_B, int denumerator_B)
{
	int result_n;
	int result_d;
	
	result_n = numerator_A * denumerator_B  +  denumerator_A * numerator_B;
	result_d = denumerator_A * denumerator_B;
	
	return result_d; // we can return only the numerator or the denumerator
	                 // but noth both :(
}

int main()
{
	int A_n; // numerator for fraction A
	int A_d; // denumerator for fraction A
	
	int B_n; // numerator for fraction B
	int B_d; // denumerator for fraction B
	
	
	A_n=5;
	A_d=10;
	printFraction(A_n, A_d);
	printf("+\n\n");
	
	B_n=2;
	B_d=3;
	printFraction(B_n, B_d);
	printf("=\n\n");
	
	int C_n = addFractions_n(A_n, A_d, B_n, B_d);
	int C_d = addFractions_d(A_n, A_d, B_n, B_d);

	printFraction(C_n, C_d);
	
	system("pause");
}