You need to know the least common denominator (LCD) of 97 and 2 if you want to add or subtract two fractions with 97 and 2 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 97 and 2 is 194.
Here is a math problem example where you need to know the LCD of 97 and 2 to solve:
3/97 + 2/2 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
194/97 = 2
194/2 = 97
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 2 = 6
2 x 97 = 194
Step 3) Put it all together to solve the problem:
6/194 + 194/194 = 200/194
= 3/97 + 2/2 = 200/194
It's that easy! Once again, the lowest common denominator (LCD) of 97 and 2 is as follows:
194
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