2/3, 1/6, and 1/5 fractions have an LCD of 30 which is correct option(D).
What is LCD?
The lowest common denominator is defined as the set of fraction denominators with the lowest common multiple. The lowest positive integer with more than one denominator in the set is LCD.
LCD by division of prime numbers
(D) 2/3, 1/6, 1/5
The factors of the denominators 3, 6, 5
3 = 3 x 1
6 = 3 x 2 x 1
5 = 5 x 1
The LCD = 3 x 2 x 5 = 30
Hence, 2/3, 1/6, and 1/5 fractions have an LCD of 30.
Learn more about the lowest common denominator here:
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