SOLUTION: Subtract. Express your answer in simplest form. 2/5 - y/y-2 my answer -3y-4/y-2

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Question 84362: Subtract. Express your answer in simplest form.
2/5 - y/y-2
my answer -3y-4/y-2

Answer by tutor_paul(519)   (Show Source): You can put this solution on YOUR website!

Like any addition or subtraction of fractions, you need to find the LCD. The LCD is this case is:

So rewrite the fractions as follows:

Notice how the value of each fraction did not change.
Now that you have a common denominator, you can do the subtraction:

Simplifying...

And you are done.
Good Luck,
tutor_paul@yahoo.com

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