You need to know the least common denominator (LCD) of 82 and 6 if you want to add or subtract two fractions with 82 and 6 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 82 and 6 is 246.
Here is a math problem example where you need to know the LCD of 82 and 6 to solve:
3/82 + 2/6 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
246/82 = 3
246/6 = 41
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 3 = 9
2 x 41 = 82
Step 3) Put it all together to solve the problem:
9/246 + 82/246 = 91/246
= 3/82 + 2/6 = 91/246
It's that easy! Once again, the lowest common denominator (LCD) of 82 and 6 is as follows:
246
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