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Defining the Least Common Denominator in Technical Measurements

A machinist is calculating the total thickness of two stacked metal plates measuring 1/14 of an inch and 1/21 of an inch. In the context of adding these two fractions, define the term 'Least Common Denominator' (LCD) by describing its specific mathematical relationship to the numbers 14 and 21.

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Updated 2026-04-16

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