Question 618908
{{{x/(x^2+x-2)}}},{{{1/(x+2)}}}
Factor the denominators
{{{x/(x^2+2x-x-2)}}},{{{1/(x+2)}}}
{{{x/(x(x+2)-1(x+2))}}},{{{1/(x+2)}}}
{{{x/(x+2)(x-1)}}},{{{1/(x+2)}}}}
Prime Factors are {{{x-1}}},{{{x+2}}}

LCD = {{{(x-1)(x+2)}}}