anonymous
  • anonymous
7/12 + (-5/15)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
Find a common denominator.
anonymous
  • anonymous
I don't know :L
anonymous
  • anonymous
\(x|\underline{12~~~~15}\) Find a number that divides into both evenly. It doesn't have to be the largest, so just pick one.

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anonymous
  • anonymous
When the only common factor left is 1, then the common denominator will be the numbers on the left and bottom multiplied together.
anonymous
  • anonymous
3x4=12 3x5=15?
anonymous
  • anonymous
Yes. Those statements are true.
anonymous
  • anonymous
what does that tell you about your common denominator?
anonymous
  • anonymous
its 3?
anonymous
  • anonymous
o.o
anonymous
  • anonymous
Set it up the way I described, and do the multiplication. It is the easiest method I have seen.

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