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Mathematics 8 Online
OpenStudy (anonymous):

5/6 + 4/9 ?

OpenStudy (tkhunny):

There is a common denominator in there, somewhere.

OpenStudy (neonumbrella5115):

Go over the multiples of each number: 6, 12... 9, 18... Where do 6 and 9 have the same multiple?

OpenStudy (tkhunny):

6 and 9. Just worry about 6 and 9. They obviously come together at 6*9, but can we do better than that?

OpenStudy (tkhunny):

Sure would be nice to see how you came to that.

OpenStudy (neonumbrella5115):

I agree with tkhunny.

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