You need to know the least common denominator (LCD) of 46 and 6 if you want to add or subtract two fractions with 46 and 6 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 46 and 6 is 138.
Here is a math problem example where you need to know the LCD of 46 and 6 to solve:
3/46 + 2/6 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
138/46 = 3
138/6 = 23
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 3 = 9
2 x 23 = 46
Step 3) Put it all together to solve the problem:
9/138 + 46/138 = 55/138
= 3/46 + 2/6 = 55/138
It's that easy! Once again, the lowest common denominator (LCD) of 46 and 6 is as follows:
138
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