SOLUTION: Simplify (2y^-2+y^-1)/(2y^-2-y^-1)

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Question 302223: Simplify (2y^-2+y^-1)/(2y^-2-y^-1)
Answer by london maths tutor(243) About Me  (Show Source):
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Simplify (2y^-2+y^-1)/(2y^-2-y^-1)
%28%282%2F%28y%5E2%29%29%2B%281%2Fy%29%29+ ÷ %28%282%2F%28y%5E2%29%29-%281%2Fy%29%29+
Common denominator = y^2
This gives:
%28%282%2By%29%2F%28y%5E2%29%29%29+* %28%28y%5E2%29%2F%282-y%29%29%29+
cancel out "y^2"
%28%282%2By%29%2F%282-y%29%29%29+