You need to know the least common denominator (LCD) of 59 and 9 if you want to add or subtract two fractions with 59 and 9 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 59 and 9 is 531.
Here is a math problem example where you need to know the LCD of 59 and 9 to solve:
3/59 + 2/9 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
531/59 = 9
531/9 = 59
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 9 = 27
2 x 59 = 118
Step 3) Put it all together to solve the problem:
27/531 + 118/531 = 145/531
= 3/59 + 2/9 = 145/531
It's that easy! Once again, the lowest common denominator (LCD) of 59 and 9 is as follows:
531
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