SOLUTION: How do I add this fraction? y / (x^2 � xy)

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Question 308675: How do I add this fraction?
y / (x^2 � xy) - x / (y^2 � xy)
Found 3 solutions by rapaljer, Fombitz, CharlesG2:
Answer by rapaljer(4671)   (Show Source):
You can put this solution on YOUR website!
Did you mean to "subtract"???
First factor the denominators.
Second find the LCD.
Third make each fraction to have a denominator equal to the LCD.
Then, add or subtract the numerators and place over the LCD.

Answer by Fombitz(32388)   (Show Source):
You can put this solution on YOUR website!
You need a common denominator.

A common denominator is
Multiply the first term by and the second term by .

Answer by CharlesG2(834)   (Show Source):
You can put this solution on YOUR website!
How do I add this fraction?
y / (x^2 � xy) - x / (y^2 � xy)

factor denominators, you need common denominators
x^2 - xy = x(x - y) --> this fraction multiply by (-y/-y)
y^2 - xy = -y(-y + x) = -y(x - y) --> this fraction multiply by (x/x)

simplify

SOLUTION: How do I add this fraction? y / (x^2 � xy) - x / (y^2 � xy)