27 lines
457 B
C++
27 lines
457 B
C++
#include<stdio.h>
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int gcd(int x,int y)
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{
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if(x==y)
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return x;
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if(x>y)
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return gcd(x-y,y);
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if(x<y)
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return gcd(x,y-x);
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}
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int main()
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{
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int a,b,c,d,e,f,g;
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int n;
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while(scanf("%d",&n)!=EOF)
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{
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while(n--)
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{
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scanf("%d%d%d%d",&a,&b,&c,&d);
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e=a*d+b*c;
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f=b*d;
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g=gcd(e,f);
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printf("%d %d\n",e/g,f/g);
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}
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}
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}
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