Jravenv
  • Jravenv
Help me please screencap in comments. best answer rewarded
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
Jravenv
  • Jravenv
anonymous
  • anonymous
what is the least common multiply of 3, 4 and 6?
Jravenv
  • Jravenv
12

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anonymous
  • anonymous
ok good, so at the moment (we might can reduce later) the common denominator will be \(12y\)
Jravenv
  • Jravenv
Okay, whats next?
anonymous
  • anonymous
you have to build up each fraction just like with numbers \[\frac{x+1}{3y}=\frac{4(x+1)}{4\times 3y}=\frac{4x+4}{12y}\] for the first one
anonymous
  • anonymous
can you build up \[\frac{x-2}{4y}\]so the denominator will be \(12y\)?
Jravenv
  • Jravenv
so times three
anonymous
  • anonymous
yes, top and bottom, and don't forget the distributive law
Jravenv
  • Jravenv
3x-6/12y
anonymous
  • anonymous
right
anonymous
  • anonymous
repeat with \[\frac{x+3}{6y}\]
Jravenv
  • Jravenv
2x+6/12y
anonymous
  • anonymous
ok good, now we are ready to add and subtract the denomiator will be \(12y\) and the numerator will be \[4x+4+3x-6-(2x+6)\] notice the last parentheses, you still have to distribute the minus sing, then combine like terms
anonymous
  • anonymous
let me know when you get \(5x-8\)
anonymous
  • anonymous
did you get it ?
Jravenv
  • Jravenv
Yes I did.
anonymous
  • anonymous
happy now?
Jravenv
  • Jravenv
Yes, thank you, you make this stuff seem easy haha
anonymous
  • anonymous
it is all easy when you know what you are doing when you do not, it is not since you were not born knowing this (i assume) you learn as you do it
Jravenv
  • Jravenv
makes sense.

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