Question 1159720
The fraction {{{n/d}}}


{{{system((n+3)/d=3/4,n/(d-7)=1)}}}
All needed is solve this system for n and d.


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{{{((d-7)+3)/d=3/4}}}
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{{{(d-4)/d=3/4}}}
{{{4(d-4)=3d}}}
{{{4d-16=3d}}}
{{{d=16}}}
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{{{n=16-7}}}
{{{n=9}}}



{{{highlight(n/d=9/16)}}}