You need to know the least common denominator (LCD) of 67 and 6 if you want to add or subtract two fractions with 67 and 6 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 67 and 6 is 402.
Here is a math problem example where you need to know the LCD of 67 and 6 to solve:
3/67 + 2/6 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
402/67 = 6
402/6 = 67
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 6 = 18
2 x 67 = 134
Step 3) Put it all together to solve the problem:
18/402 + 134/402 = 152/402
= 3/67 + 2/6 = 152/402
It's that easy! Once again, the lowest common denominator (LCD) of 67 and 6 is as follows:
402
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