/*
* c) Subtract the fraction f2 from the fraction f1.
*/
void test_part_c(void){
struct fraction diff, f1, f2;
printf("Enter first fraction (a/b): ");
scanf("%d / %d", &f1.numerator, &f1.denominator);
printf("Enter second fraction (a/b): ");
scanf("%d / %d", &f2.numerator, &f2.denominator);
diff = subtract_fractions(f1, f2);
diff = reduce_fraction(diff);
printf("Difference of the fractions: %d/%d\n", diff.numerator, diff.denominator);
}
void test_fraction(int numerator1, int denominator1,
int numerator2, int denominator2,
enum FRACTION_OPERATION operation,
int mixed)
{
struct FRACTION a = make_fraction(numerator1, denominator1);
struct FRACTION b = make_fraction(numerator2, denominator2);
struct FRACTION c;
char op;
if (operation == foAdd)
{
c = add_fractions(&a, &b);
op = '+';
}
else if (operation == foSubtract)
{
c = subtract_fractions(&a, &b);
op = '-';
}
else
{
c = multiply_fractions(&a, &b);
op = '*';
}
printf("%i/%i %c %i/%i = %i/%i", a.numerator, a.denominator,
op,
b.numerator, b.denominator,
c.numerator, c.denominator);
if (mixed)
{
struct MIXED_FRACTION mixed = reduced_to_mixed(&c);
printf(" ==> ");
/* There's a whole number portion */
if (mixed.whole_number)
printf("%i ", mixed.whole_number);
/* There's a proper fraction portion */
if (mixed.proper_fraction.numerator)
printf("%i/%i", mixed.proper_fraction.numerator,
mixed.proper_fraction.denominator);
if (!mixed.whole_number && !mixed.proper_fraction.numerator)
printf("0");
}
printf("\n");
}
