You need to know the least common denominator (LCD) of 41 and 9 if you want to add or subtract two fractions with 41 and 9 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 41 and 9 is 369.
Here is a math problem example where you need to know the LCD of 41 and 9 to solve:
3/41 + 2/9 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
369/41 = 9
369/9 = 41
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 9 = 27
2 x 41 = 82
Step 3) Put it all together to solve the problem:
27/369 + 82/369 = 109/369
= 3/41 + 2/9 = 109/369
It's that easy! Once again, the lowest common denominator (LCD) of 41 and 9 is as follows:
369
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