SOLUTION: What does the LCD of two or more fractions mean? Can you think of some reasons how the LCD of two or more fractions could be of use? give an example.

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Question 338276: What does the LCD of two or more fractions mean? Can you think of some reasons how the LCD of two or more fractions could be of use? give an example.
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
1/2+1/3+1/5
Because all these denominators are prime the LCD is the product of all primes.
LCD=2*3*5=30
(1*15+1*10+1*6)/30
(15+10+6)/30=31/30 ans.