SOLUTION: What is the least common denominator between 2/9, 1/12, & 7/8? I'm trying to solve 2/9 - 1/12 + 7/8?

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Question 710548: What is the least common denominator between 2/9, 1/12, & 7/8? I'm trying to solve 2/9 - 1/12 + 7/8?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
It looks like 72
+9%2A8+=+72+
+6%2A12+=+72+
9 less than 72 doesn't work
8 less than 72 doesn't work
12 less than 72 doesn't work