You need to know the least common denominator (LCD) of 24 and 3 if you want to add or subtract two fractions with 24 and 3 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 24 and 3 is 24.
Here is a math problem example where you need to know the LCD of 24 and 3 to solve:
3/24 + 2/3 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
24/24 = 1
24/3 = 8
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 1 = 3
2 x 8 = 16
Step 3) Put it all together to solve the problem:
3/24 + 16/24 = 19/24
= 3/24 + 2/3 = 19/24
It's that easy! Once again, the lowest common denominator (LCD) of 24 and 3 is as follows:
24
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