Question 562225
{{{ n/d }}}
{{{ d = 6n }}}
{{{ n + d = 14 }}}
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By substitution:
{{{ n + 6n = 14 }}}
{{{ 7n = 14 }}}
{{{ n = 2 }}}
and
{{{ d = 6n }}}
{{{ d = 6*2 }}}
{{{ d = 12 }}}
The fraction is 
{{{ n/d = 2/12 }}}
{{{ n/d = 1/6 }}} answer