The least common denominator is 38*7 = 266.
38 is.
There is no exact least common denominator. Six does not go into 38
1862
LCD of 38 and 43 is 1
The LCD is 266. Since the pair have no common prime factors, the LCD is the product of the two. 7 x 38 = 266
Lcd(13,56,38) = 13832 lcd(3,6,8) = 24
1026, unless that's 3/8 and 2/7, then it's 56.
There doesn't appear to be any fractions there but to find the LCD of fractions is done in the same way as finding the lowest common multiple of numbers.
The least common multiple between 2 and 38 is 38.
The least common multiple of 60 , 38 = 1,140
The least common multiple of 38 , 11 = 418