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What is the Least Common Denominator of 12 and 16?


You need to know the least common denominator (LCD) of 12 and 16 if you want to add or subtract two fractions with 12 and 16 as denominators.

The least common denominator, also called lowest common denominator (LCD), of 12 and 16 is 48.


Here is a math problem example where you need to know the LCD of 12 and 16 to solve:

3/12 + 2/16 = ?

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

48/12 = 4
48/16 = 3

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

3 x 4 = 12
2 x 3 = 6

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

12/48 + 6/48 = 18/48
= 3/12 + 2/16 = 18/48

It's that easy! Once again, the lowest common denominator (LCD) of 12 and 16 is as follows:

48

What is the Least Common Denominator of 12 and 17?
Go here for the next Least Common Denominator on our list that we calculated.





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