Question 640400
{{{x-(1/y)/(x/y)}}}


{{{x-(1/y)*(y/x)}}}


{{{x-y/(xy)}}}


{{{x-1/x}}}


{{{(x^2)/x-1/x}}}


{{{(x^2-1)/x}}}


So {{{x-(1/y)/(x/y)}}} simplifies to {{{(x^2-1)/x}}}