Math Is Fun Forum

bronxsystem

Member

Registered: 2013-06-22

Posts: 63

Combine Algebra Fractions

I have been going through these exercises and have been doing ok until i got to this question. What confuses me is the lowest common denominator and i get the answer wrong

my answer is sooo far off the book ><
Is the LCD

??

maybe this step is what i messed up i changed the sign of the fraction because i reversed1-x to x-1

any advice much appreciated thank you

the books answer said the denominator will be x - 1 how is that possible when in the denominator of the 3rd fraction was

Last edited by bronxsystem (2014-01-09 05:46:07)

bronxsystem

Member

Registered: 2013-06-22

Posts: 63

Re: Combine Algebra Fractions

YEEEEEEEEAH someone helped me out

problem was the x + 1 cancel out after i factor the numerator.

Last edited by bronxsystem (2014-01-09 05:54:37)

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

Re: Combine Algebra Fractions

Hi bronxsystem;

Okay, if you need more help just post it.

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In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.