LCD(7, 5, 10) = 10
the LCD of 2, 9 and 5 = 90
The LCD of 6, 5, and 7 is 210.
The least common multiple (LCM) of 5 and 7 is 35, not the least common denominator (LCD). The LCD is used in adding or subtracting fractions and is the least common multiple of the denominators. In this case, since 5 and 7 are prime numbers and have no common factors, the LCD is simply the product of the two denominators, which is 5 * 7 = 35.
The LCD, or Lowest Common Denominator, is the smallest multiple of each of the denominators of a set of fractions. So, assuming that 2, 4 and 5 are denominators of fractions (1/2, 1/4 and 1/5, for example), the LCD would be 20, because 20 is the lowest number that 2, 4 and 5 multiply into. So, your new fractions would be 10/20, 5/20 and 4/20. The purpose of finding the LCD is to allow for multiplying fractions together, or simply comparing them easily.
70
560
63
LCD(7, 5, 10) = 10
28.
The LCD of x, 5, 7, 15 is 105x.
LCD(5, 7, 25) = 175
LCD(7, 9, 2) = 126.
lcd(35, 60) = 420. 35 = 5 x 7 60 = 2^2 x 3 x 5 lcd = 2^2 x 3 x 5 x 7 = 420
The LCD of 567 and 5 is 2835The LCD of 5, 6, 7 and 5 is 210
the LCD of 2, 9 and 5 = 90
LCD is 24