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

Question

Mathematics

Tessa Swanson

24 November, 16:48

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

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Answers (1)

Know the Answer?

Emily Bowman · Answer 1

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