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Mathematics 8 Online
OpenStudy (anonymous):

Adding and subtracting algebraic fractions?

Mehek (mehek14):

question?

OpenStudy (anonymous):

Whats the question c;

OpenStudy (anonymous):

\[\frac{ 2x }{y^2-x^2 } - \frac{ x }{ y-x }\]

OpenStudy (anonymous):

@johnweldon1993

OpenStudy (skullpatrol):

Any ideas?

OpenStudy (anonymous):

Not a clue. I use mathway.com but it didn't give me the correct answer for this one.

OpenStudy (skullpatrol):

Do you know what a least common denominator is?

OpenStudy (anonymous):

Yeah

OpenStudy (skullpatrol):

What is it?

OpenStudy (anonymous):

It's (y+x)(y-x)

OpenStudy (anonymous):

Well according to mathway.com..lol

OpenStudy (johnweldon1993):

Well remember that \[\large (y^2 - x^2) = (y + x)(y - x)\]

OpenStudy (skullpatrol):

multiply the numerator and denominator to get a common denominator

OpenStudy (anonymous):

This isn't helping...

OpenStudy (anonymous):

@misty1212

OpenStudy (skullpatrol):

do you understand what a common denominator means?

OpenStudy (anonymous):

Can you stop asking me questions? Lol I just need to answer MY question, not a bunch of others.

OpenStudy (skullpatrol):

Sorry, I'm trying to find out what you know :)

OpenStudy (anonymous):

I just need the answer to this..lol I know that's against the rules and whatnot though.

OpenStudy (skullpatrol):

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