You need to know the least common denominator (LCD) of 93 and 99 if you want to add or subtract two fractions with 93 and 99 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 93 and 99 is 3069.
Here is a math problem example where you need to know the LCD of 93 and 99 to solve:
3/93 + 2/99 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
3069/93 = 33
3069/99 = 31
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 33 = 99
2 x 31 = 62
Step 3) Put it all together to solve the problem:
99/3069 + 62/3069 = 161/3069
= 3/93 + 2/99 = 161/3069
It's that easy! Once again, the lowest common denominator (LCD) of 93 and 99 is as follows:
3069
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