You need to know the least common denominator (LCD) of 6 and 36 if you want to add or subtract two fractions with 6 and 36 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 6 and 36 is 36.
Here is a math problem example where you need to know the LCD of 6 and 36 to solve:
3/6 + 2/36 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
36/6 = 6
36/36 = 1
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 6 = 18
2 x 1 = 2
Step 3) Put it all together to solve the problem:
18/36 + 2/36 = 20/36
= 3/6 + 2/36 = 20/36
It's that easy! Once again, the lowest common denominator (LCD) of 6 and 36 is as follows:
36
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