anonymous
  • anonymous
3/2+(-7/3)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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zepdrix
  • zepdrix
Hey there :) We trying to add fractions?\[\large\rm \frac{3}{2}+\left(-\frac{7}{3}\right)\]
anonymous
  • anonymous
ya. I suck with fractions and forgot how to add them
zepdrix
  • zepdrix
Fractions are parts of a whole. The denominator tells us how the whole is being split up, the numerator tells us how many of those pieces we have. So the 3/2 is telling us: Imagine a circle, split it into two pieces. We have 3 of those. We can't easily add things together when the wholes are not cut into the same number of pieces. Ok I'm rambling on and on and on I should probably just get to the point :) My bad

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zepdrix
  • zepdrix
We need a `common denominator`
anonymous
  • anonymous
Haha it's ok. And 6?
zepdrix
  • zepdrix
6 seems good. So it looks like the first fraction needs a 3 in the bottom. We have to give it a 3 in the top as well though, to keep it balanced.
anonymous
  • anonymous
Okay
zepdrix
  • zepdrix
\[\large\rm \frac{3\cdot3}{3\cdot2}+\left(-\frac{7}{3}\right)\]Giving us\[\large\rm \frac{9}{6}+\left(-\frac{7}{3}\right)\]
zepdrix
  • zepdrix
How bout the other fraction? Can you follow those steps and try to fix the other one?
anonymous
  • anonymous
I think so
anonymous
  • anonymous
-14/6
zepdrix
  • zepdrix
You gave it a 2 in the top and bottom? Ok good.
zepdrix
  • zepdrix
\[\large\rm \frac{9}{6}+\left(-\frac{14}{6}\right)\]
anonymous
  • anonymous
|dw:1449606011385:dw|
anonymous
  • anonymous
Is this correct?
zepdrix
  • zepdrix
Only adding the numerators, yay good job! \c:/
anonymous
  • anonymous
Yay! Thanks. I tried adding it without common denominators the first time. This helps! Thanks again!
zepdrix
  • zepdrix
np

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