Question 1163797
{{{system(1/a+1/b=1/(8&1/9),8/a+10/b=1)}}}


{{{system(1/a+1/b=9/73,8/a+10/b=1)}}}


Maybe try  {{{A=1/a}}} and {{{B=1/b}}}:


{{{system(A+B=9/73,8A+10B=1)}}}------------Maybe try elimination method from here.