The relationship between 10 & 14 is a ratio of 10:14. This can be simplified to 5:7. If we now multiply the 10 by the 7 and the 14 by the 5 we end up with 70 each time. Therefore 70 is the LCM.
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lowest common denominator of 4/5 and 7/15 would be 15 4/5=12/15
Well, darling, the least common denominator of 14 and 17 is simply their product, which is 238. It's as simple as that, no need to complicate things. So go ahead and use that 238 with pride in your math problems, you sassy mathematician, you.
The lowest common factor of any set of numbers is 1.
That's two different things. The common factors of 350 and 420 are 1, 2, 5, 7, 10, 14, 35, 70, with 70 being the GCF. The least common denominator of 350 and 420 is 2100.
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