#include
class?Fract{
	int?numden;
public:
	Fract（int?a=0int?b=1）{num=a;den=b;}
	int?ged（intint）;
	Fract?add（Fract）;
	void?show（）{cout<};
int?Fract::ged（int?mint?n）?{
	int?k;
	if（m>n）k=n;
	else?k=m;
	for（;k>0;k--）
		if（m%k==0&&n%k==0）
			break;
			return?k;
}
Fract?Fract::add（Fract?f）?{
	Fract?ff;
	int?v;
	v=ged（denf.den）;
	v=den*f.den/v;
	num=v/den*num;
	f.num=v/f.den*f.num;
	ff.num=num+f.num;
	ff.den=v;
	v=ged（ff.numff.den）;
	ff.num/=v;
	ff.den/=v;
	return?ff;
}
void?main（）{
	Fract?f1（15）f2（720）f3;?//?15
	f3=f1.add（f2）;
	f3.show（）;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2015-08-13?10:18??50道習題源程序\
?????文件??????350531??2016-07-05?15:00??50道習題源程序\50道題.pdf
?????目錄???????????0??2016-05-11?08:34??50道習題源程序\Debug\
?????文件??????204875??2016-05-11?08:34??50道習題源程序\Debug\no1.exe
?????文件??????224792??2016-05-11?08:34??50道習題源程序\Debug\no1.ilk
?????文件????????7682??2016-05-11?08:34??50道習題源程序\Debug\no1.obj
?????文件??????244396??2016-05-11?08:34??50道習題源程序\Debug\no1.pch
?????文件??????402432??2016-05-11?08:34??50道習題源程序\Debug\no1.pdb
?????文件???????41984??2016-05-11?08:34??50道習題源程序\Debug\vc60.idb
?????文件???????61440??2016-05-11?08:34??50道習題源程序\Debug\vc60.pdb
?????文件?????????625??2008-09-04?14:16??50道習題源程序\no1.cpp
?????文件????????3365??2016-05-11?08:33??50道習題源程序\no1.dsp
?????文件?????????514??2016-05-11?08:34??50道習題源程序\no1.dsw
?????文件???????33792??2016-05-11?08:34??50道習題源程序\no1.ncb
?????文件???????48640??2016-05-11?08:34??50道習題源程序\no1.opt
?????文件?????????729??2016-05-11?08:34??50道習題源程序\no1.plg
?????文件?????????933??2008-09-04?14:52??50道習題源程序\no10.cpp
?????文件?????????594??2010-09-30?09:07??50道習題源程序\no11.cpp
?????文件????????1024??2008-09-04?15:00??50道習題源程序\no12.cpp
?????文件?????????856??2008-09-04?15:05??50道習題源程序\no13.cpp
?????文件????????1768??2008-09-04?15:08??50道習題源程序\no14.cpp
?????文件?????????916??2008-09-05?14:39??50道習題源程序\no15.cpp
?????文件????????1146??2008-09-05?08:43??50道習題源程序\no16.cpp
?????文件?????????581??2008-09-05?08:54??50道習題源程序\no17.cpp
?????文件?????????797??2008-08-05?09:30??50道習題源程序\no18.cpp
?????文件?????????914??2015-08-12?15:45??50道習題源程序\no19.cpp
?????文件?????????618??2008-09-04?14:19??50道習題源程序\no2.cpp
?????文件?????????940??2008-09-05?09:40??50道習題源程序\no20.cpp
?????文件????????1170??2008-09-05?10:14??50道習題源程序\no21.cpp
?????文件????????1039??2008-07-30?16:55??50道習題源程序\no22.cpp
?????文件?????????991??2008-09-05?10:18??50道習題源程序\no23.cpp
............此處省略37個文件信息