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Mathematics 20 Online
OpenStudy (anonymous):

Find the LCD that would eliminate the fractions in this equation. 6x/11+9/2=3

OpenStudy (e.mccormick):

What part of this are you having trouble with?

OpenStudy (anonymous):

only with this one

OpenStudy (anonymous):

x=-33/12

OpenStudy (e.mccormick):

I am trying to find where the issue with this one is so I can help with what is stopping you from being able to do it.

OpenStudy (e.mccormick):

Do you know what they are asking for, the LCD?

OpenStudy (e.mccormick):

As in, what that means?

OpenStudy (anonymous):

oh, what is LCD?

OpenStudy (e.mccormick):

The LCD, or Lowest Common Denominator is something that would allow both fractions to be added, but is no larger than needed. For example, with 1/2 and 1/3 I could turn those into several things to add them. 1/2+1/3 9/18+6/18 6/12+4/12 3/6+2/6 All of those mean exactly the same thing. However, the ones over 6 have the Lowest Common Denominator. So for my example, the LCD is 6. What would it be for your problem?

OpenStudy (anonymous):

good.

OpenStudy (e.mccormick):

How the elimination then happens is by multiplying through the whole equation by the number found this way. They are not asking you to do that at this point. Just finding it.

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