Question 888881
{{{3/4 + 4/3 - ( 1/3 + 1/4)=3/4 + 4/3 -  1/3 - 1/4}}} 
{{{3/4 + 4/3 - ( 1/3 + 1/4)=(3/4-1/4) + (4/3 -  1/3) }}} 
{{{3/4 + 4/3 - ( 1/3 + 1/4)=(3-1)/4 + (4-1)/3) }}} 
{{{3/4 + 4/3 - ( 1/3 + 1/4)=2/4 + 3/3) }}}
{{{3/4 + 4/3 - ( 1/3 + 1/4)=1/2+1}}}
{{{3/4 + 4/3 - ( 1/3 + 1/4)=1/2+2/2 }}}
{{{3/4 + 4/3 - ( 1/3 + 1/4)=(1+2)/2}}}
{{{3/4 + 4/3 - ( 1/3 + 1/4)=highlight(3/2) }}}