Find the LCM of `4` and `2\sqrt{2}.`

Find the LCM of 24 and 90.

Find the LCM of 12 and 18

Find the LCM of 4! 5! and 6!

Find the LCM of 150 and 200.

Find the LCM of 150 and 200 .

Find the LCM of 40, 48 and 45

Find the LCM of: 42, 30 and 126

Find the LCM of 20, 25 and 30

Find the LCM of : 30, 126 and 180

(i) If x = (6ab)/(a + b) , find the value of : (x + 3a)/(x - 3a) + (x + 3b)/(x - 3b) . (ii) a = (4sqrt(6))/(sqrt(2) + sqrt(3)) , find the value of : (a + 2sqrt(2))/(a - 2sqrt(2)) + (a + 2sqrt(3))/(a - 2sqrt(3)) .