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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.
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What is the LCD for 7 and4?
LCD(7, 4) = 28
What is the LCD for 2 over 4 and 5 over 7?
28.
What is the lcd of 7 9 and 2?
LCD(7, 9, 2) = 126.
What is the LCD for 2 9 4?
LCD(4, 2, 9) = 36
What is the LCD of 3 4 and 7?
They're all prime numbers; 1 is the lcd * * * * * Sorry about the ignorance that permeates WA. First, they are not all primes, since 4 = 2*2 Also, the above answer refers to the HCF, not the LCD. The correct answer is 84
What is the lcd for 4 and 7?
28
What is LCD for 4 and 7?
28
What you the lcd of 3 5 4 2?
LCD(3, 5, 4, 2) = 60
What is the lcd of 3 7 4?
84
What is the LCD of 7 4 and 13?
It is: 364
What is the lcd of 6 4 and 7?
84
What is the lcd of 2 and 7?
14
