Question 1054220

{{{3&1/4+1&3/4 =(3+1)+(1/4+3/4)}}}
{{{3&1/4+1&3/4 =(4)+(1+3)/4}}}
{{{3&1/4+1&3/4 =(4)+(4)/4}}}
{{{3&1/4+1&3/4 =(4)+1}}}
{{{3&1/4+1&3/4 =5}}}