What is the Least Common Denominator of 8 and 3?




You need to know the least common denominator (LCD) of 8 and 3 if you want to add or subtract two fractions with 8 and 3 as denominators.

The least common denominator, also called lowest common denominator (LCD), of 8 and 3 is 24.


Here is a math problem example where you need to know the LCD of 8 and 3 to solve:

3/8 + 2/3 = ?

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

24/8 = 3
24/3 = 8

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

3 x 3 = 9
2 x 8 = 16

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

9/24 + 16/24 = 25/24
= 3/8 + 2/3 = 25/24

It's that easy! Once again, the lowest common denominator (LCD) of 8 and 3 is as follows:

24


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