求两个分数的和,约分,输入1/2 3/4输出33/4
#include <stdio.h>
int main()
{
int x,y,m,n,sum1,sum2,t,p,q,w;
scanf("%d/%d %d/%d",&x,&y,&m,&n);
sum2=y*n;
t=sum1;
sum1=x*n+m*y;
p=sum2;
while(sum1!=sum2)
{
if(sum1>sum2)
{
sum1=sum1-sum2;
}
else if(sum2>sum1)
{
sum2=sum2-sum1;
}
}
q=t/sum1;
w=p/sum2;
printf("%d/%d",q,w);
return 0;
}