Question 897261
Use a common denominator, {{{2*3*5=30}}}
{{{(1/5)(6/6)=6/30}}}
{{{(1/2)(15/15)=15/30}}}
{{{(1/3)(10/10)=10/30}}}
So then,
{{{1/5-1/2+1/3=6/30-15/30+10/30}}}
{{{1/5-1/2+1/3=(6-15+10)/30}}}
{{{1/5-1/2+1/3=1/30}}}