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what is the sum of one seventh and one thrid and one forth

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Guest May 3, 2017
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\(\frac{1}{7} + \frac{1}{3}+\frac{1}{4} =\frac{12}{84}+\frac{28}{84}+\frac{21}{84}= \frac{12+28+21}{84} = \frac{61}{84}\)

I used 84 as the denominator, as it was the Least Common Denominator of 7, 3, and 4.

helperid1839321  May 3, 2017

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