# LCD 2

The least common denominator of 2/5, 1/2, and 3/4

Result

n =  20

#### Solution:

$n = LCD(2/5, 1/2, 3/4) \ \\ 5 = 5 \\ 2 = 2 \\ 4 = 2^2 \\ LCM(5, 2, 4) = 2^2 \cdot 5 = 20\\ \ \\ \ \\ n = LCM(5,2,4) = 20$

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#### Following knowledge from mathematics are needed to solve this word math problem:

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