You need to know the least common denominator (LCD) of 9 and 94 if you want to add or subtract two fractions with 9 and 94 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 9 and 94 is 846.
Here is a math problem example where you need to know the LCD of 9 and 94 to solve:
3/9 + 2/94 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
846/9 = 94
846/94 = 9
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 94 = 282
2 x 9 = 18
Step 3) Put it all together to solve the problem:
282/846 + 18/846 = 300/846
= 3/9 + 2/94 = 300/846
It's that easy! Once again, the lowest common denominator (LCD) of 9 and 94 is as follows:
846
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