好吧

<span style="font-size:24px;color:#ff0000;">main.m</span>

<span style="font-size:18px;">//
//  main.m
//  分數
//
//  Created by dllo on 15/6/29.
//  Copyright (c) 2015年 dllo. All rights reserved.
//

#import <Foundation/Foundation.h>
#import "Fraction.h"

int main(int argc, const char * argv[]) {
    @autoreleasepool {

#if 0
        Fraction *fraction = [Fraction fractionWithMember:15 denominator:60];//開闢內存初始化並賦值
        
        [fraction reduction];//約分
        [fraction print];//打印
        
        Fraction *fraction1 = [Fraction fractionWithMember:6 denominator:8];//另一個分數
        [fraction1 reduction];//約分
        [fraction1 print];//打印
#endif
#if 0
        [fraction addFraction:fraction1];//相加
        [fraction print];//打印
#endif
#if 0
        [fraction minusFraction:fraction1];//相減
        [fraction print];//打印
#endif
#if 0
        [fraction multiplyFraction:fraction1];//相乘
        [fraction print];//打印
#endif
#if 0
        [fraction divisionFraction:fraction1];//相除法
        [fraction print];//打印
#endif
        
    }
    return 0;
}
</span>