You need to know the least common denominator (LCD) of 14 and 8 if you want to add or subtract two fractions with 14 and 8 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 14 and 8 is 56.
Here is a math problem example where you need to know the LCD of 14 and 8 to solve:
3/14 + 2/8 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
56/14 = 4
56/8 = 7
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 4 = 12
2 x 7 = 14
Step 3) Put it all together to solve the problem:
12/56 + 14/56 = 26/56
= 3/14 + 2/8 = 26/56
It's that easy! Once again, the lowest common denominator (LCD) of 14 and 8 is as follows:
56
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