Question 180696
Common denominator is x^2*y^2
{{{2/(x^2y) + 7/(xy^2)=(2/(x^2y))*((x^2y^2)/(x^2y^2))+(7/(xy^2))*((x^2y^2)/(x^2y^2))}}}
{{{2/(x^2y) + 7/(xy^2)=(2y)/(x^2y^2))+(7x)/(x^2y^2))}}}
{{{2/(x^2y) + 7/(xy^2)=(2y+7x)/(x^2y^2))}}}