Question 637061

{{{7/15 - 4/5 + 2/3}}}......common denominator is {{{15}}} 

{{{7/15 - 4*3/(5*3) + 2*5/(3*5)}}}

{{{7/15 - 12/15 + 10/15}}}

{{{17/15 - 12/15 }}}

{{{5/15}}}....simplify

{{{5:5/(15:5)}}}

{{{1/3}}}