// Rationalv1.cpp #include "Rationalv1.h" bool Rational::set(int n, int d) { if (d != 0) { num_ = n; den_ = d; return true; } else return false; } Rational operator+(const Rational &r1, const Rational &r2) { int num, den; num = r1.num() * r2.den() + r2.num() * r1.den(); den = r1.den() * r2.den(); return Rational(num, den); }