anonymous
  • anonymous
Hi my daughter is having trouble with an assignment. She is asked to write in her journal how to find a common denominator? She has to construct cubes and the first problem is 1/3 and 2/12
Mathematics
chestercat
  • chestercat
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anonymous
  • anonymous
ok so to find a common denominator first you need to know what a denominator is. a denominator is the bottom number under a fraction
anonymous
  • anonymous
so all you have to do is find the first common times that 3 and 12 go into
anonymous
  • anonymous
3 goes into 12 pretty easy when you times it by 4 so whatever you do to the bottom you do to the top. so it would be 4/12 and 2/12 because we didn't have to times the 12 by anything it stayes the same

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anonymous
  • anonymous
does that help?
anonymous
  • anonymous
ARE you there?
anonymous
  • anonymous
understand. But she is not allowed to use LCM on her assignment. The problem I wrote are two different problems. Can you still help us?
anonymous
  • anonymous
Yes
anonymous
  • anonymous
LCM? sorry i havn't heard that term or i musv't forgot? sorry
anonymous
  • anonymous
Least common denominator is the abbreviation.
anonymous
  • anonymous
oh ok but isn't that what is asked?
anonymous
  • anonymous
I'm haven't done fractions in so long sorry. She is a fourth grader and I'm a little rusty.
anonymous
  • anonymous
You need the LCD, not the LCM right?
anonymous
  • anonymous
Yeah sorry
anonymous
  • anonymous
And what is the problem again?
anonymous
  • anonymous
She has to find the common denominator and use blocks to shade in the fraction. 1/3 is the first and 2/12 is second
anonymous
  • anonymous
common denominator of 1/3 and 2/12?
anonymous
  • anonymous
The least common denominator of 1/3 and 2/12 is 6.
anonymous
  • anonymous
i CAN'T DO ANYTHING!!! :'(
anonymous
  • anonymous
dont listen to arada he is always wrong he knows nothing about math
anonymous
  • anonymous
\[\frac{2}{12} = \frac{2*1}{2*6} = \frac{1}{6}\] \[\frac{1}{3} = \frac{2}{2}*\frac{1}{3} = \frac{2}{6}\]
anonymous
  • anonymous
Okay does she shade in the 6 blocks and leave one blank?
anonymous
  • anonymous
Do you have a digital camera? If so can you take a small picture of the problem and attach it here? I'm not sure what is being asked..
anonymous
  • anonymous
'Your daughter'? Your lies don't fall me! This is your homework, isn't it!
anonymous
  • anonymous
fool* fail
anonymous
  • anonymous
Really it's her homework. She has a journal book and she must explain her answers.
anonymous
  • anonymous
So I still don't understand the question, what is she asked to do?
anonymous
  • anonymous
She has to explain by using model blocks or cubes and show her work
anonymous
  • anonymous
I'm not sure how you'd do that.
anonymous
  • anonymous
I'm trying to understand what the teacher is asking. Not very clear about this assignment. What do I do?
anonymous
  • anonymous
As I said, can you attach a picture of the problem?
anonymous
  • anonymous
Otherwise ask her teacher about it.
anonymous
  • anonymous
How do I attach the problem?
anonymous
  • anonymous
Once you get a digital copy of it you just click the "attach file" button and navigate to the file, etc.
anonymous
  • anonymous
I hate to sound dumb but do I scan the paper and attach it the computer?
anonymous
  • anonymous
Do you have a digital camera?
anonymous
  • anonymous
yes
anonymous
  • anonymous
Take a picture and copy the file to your computer, then use the attach button on the website to upload it.
anonymous
  • anonymous
Well my camera is acting up!!!! I'm so frustrated!!
anonymous
  • anonymous
Just ask her teacher. They're generally pretty understanding about this sort of thing.
anonymous
  • anonymous
Here is the part 1of the problem. It says: Draw a model that represents each fraction below. The model should look like the connecting cubes you construct. 1/3 and 2/12
anonymous
  • anonymous
I really appreciate all of your help. I will E-mail her teacher so she can get a better understanding on this assignment. Thank you again.

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