//

//  Fraction.h

//  

//

//  Created by Darin on 15/11/21.

//  Copyright © 2015年 darin. All rights reserved.

//

#import <Foundation/Foundation.h>

//分子(numerator)和分母(denominator)

@interface Fraction : NSObject

{

    int _numerator;

    int _denominator;

}

-(void) setNumerator: (int)numerator;

-(void) setDenominator: (int)denominator;

-(int) getNumerator;

-(int) getDenominator;

-(void) print;

-(void) add:(Fraction *)num;

-(void) sub:(Fraction *)num;

@end

不觉明厉。。。。。

感觉不懂的样子