Problem 355
With a partner, discuss the possible advantages and disadvantages of using least common denominators when adding and subtracting fractions. Write two paragraphs summarizing the two parts of your discussion.
Solution
When we are dealing with adding and subtracting of fractions then LCM is very important we can solve the fractional problem easily , we just need to make the denominator same with the help of LCD concept.
If we talk about disadvantage of LCM, there is only one disadvantage which is – we can’t get our final result always in simplest from.