Question 870059
{{{ n+3/4 -n-2/5 = n+1/10 -1 }}}

{{{ 3/4 -2/5 = n+1/10 -1 }}}

{{{ 3/4 -2/5 -1/10+1= n+1/10 -1/10-1+1 }}}


{{{n=15/20-8/20-2/20+20/20}}}

{{{n=25/20=1&1/4}}}