Posted by Alan on .
Subtract.
[2x/(x^2y^2)][7/(yx)]
Thank you! :)

Algebra 
bobpursley,
change the second term to +7/(xy)
now get a common denominator of (xy)(x+y)
now you have for a total numerator
2x+7(x+y) which is 9x+7y all over the common denominator.