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13 November, 11:28

What is the LCD of 6/7, 3/5, and 1/4?

A. 33

B. 70

C. 100

D. 140

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Answers (1)
  1. 13 November, 13:27
    0
    The least common denominator of 6/7, 3/5, and 1/4 is D. 140

    The LCD of 3/5 and 1/4 is 20. However, 6/7 must be considered.

    So, 20 x 7 = 140.

    140 : 7 = 20

    140 : 5 = 28

    140 : 4 = 35

    Least common denominator is need when we add or subtract fractions.
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