int main() {
int x = 20;
int i;
for(i=19; i > 0; i--) {
x = kgV(x, i);
}
printf("kgV: %d\n", x);
}
int Fraction::sub(Fraction sF) {
int kgv = kgV(this->nenner, sF.nenner);
if (!kgv)
return false;
int zaehler_neu = (this->zaehler * kgv / this->nenner)-(sF.zaehler * kgv / sF.nenner);
this->zaehler = zaehler_neu;
this->nenner = kgv;
return true;
}
