#ifndef RATIONAL_NUMBER_H
#define RATIONAL_NUMBER_H
class RationalNumber
{
public:
 RationalNumber(int = 0, int = 1);//생성자
 RationalNumber operator+(const RationalNumber&);//더하기
 RationalNumber operator-(const RationalNumber&);//빼기
 RationalNumber operator*(const RationalNumber&);//곱하기
 RationalNumber operator/(RationalNumber&);//나누기

 //relational operators
 bool operator>(const RationalNumber&) const;
 bool operator<(const RationalNumber&) const;
 bool operator>=(const RationalNumber&) const;
 bool operator<=(const RationalNumber&) const;
 //equality operators
 bool operator==(const RationalNumber&) const;
 bool operator!=(const RationalNumber&) const;
 void printRational() const;
private:
 int numerator;   //분자
 int denominator; //분모
 void reduction();//약분함수
};
#endif

이렇게 했는데요

 

여기서 오류가

error C1070 : #if/#endif 쌍이 짝이 맞지 않습니다

 

라고 하는데 알려주세요 ㅠㅠㅠ