What is the Least Common Denominator of 9 and 24?




You need to know the least common denominator (LCD) of 9 and 24 if you want to add or subtract two fractions with 9 and 24 as denominators.

The least common denominator, also called lowest common denominator (LCD), of 9 and 24 is 72.


Here is a math problem example where you need to know the LCD of 9 and 24 to solve:

3/9 + 2/24 = ?

Step 1) Take the LCD and divide each denominator by it as follows:

72/9 = 8
72/24 = 3

Step 2) Multiply each nominator with the respective answers from Step 1:

3 x 8 = 24
2 x 3 = 6

Step 3) Put it all together to solve the problem:

24/72 + 6/72 = 30/72
= 3/9 + 2/24 = 30/72

It's that easy! Once again, the lowest common denominator (LCD) of 9 and 24 is as follows:

72


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What is the Least Common Denominator of 9 and 25?
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