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2 August, 14:15

Find the least common denominator for these two rational expressions 7/n^2 - 8/7n

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  1. 2 August, 14:23
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    7n²

    Step-by-step explanation:

    7/n² - 8/7n

    Least common multiple will be the least common denominator

    L. C. M = 7n²

    Dividing the L. C. M by denominators and multiplying with numerators;

    ((7*7) - (n*8)) / 7n²

    = (49 - 8n) / 7n²

    7n² is the least common denominator
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