You need to know the least common denominator (LCD) of 9 and 58 if you want to add or subtract two fractions with 9 and 58 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 9 and 58 is 522.
Here is a math problem example where you need to know the LCD of 9 and 58 to solve:
3/9 + 2/58 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
522/9 = 58
522/58 = 9
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 58 = 174
2 x 9 = 18
Step 3) Put it all together to solve the problem:
174/522 + 18/522 = 192/522
= 3/9 + 2/58 = 192/522
It's that easy! Once again, the lowest common denominator (LCD) of 9 and 58 is as follows:
522
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