LCD 2

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

Correct result:

n =  20

Solution:

n=LCD(2/5,1/2,3/4) 5 ... primenumber 2 ... primenumber 4=22 LCM(5,2,4)=22⋅5=20  n=LCM(5,2,4)=20

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