You need to know the least common denominator (LCD) of 68 and 99 if you want to add or subtract two fractions with 68 and 99 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 68 and 99 is 6732.
Here is a math problem example where you need to know the LCD of 68 and 99 to solve:
3/68 + 2/99 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
6732/68 = 99
6732/99 = 68
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 99 = 297
2 x 68 = 136
Step 3) Put it all together to solve the problem:
297/6732 + 136/6732 = 433/6732
= 3/68 + 2/99 = 433/6732
It's that easy! Once again, the lowest common denominator (LCD) of 68 and 99 is as follows:
6732
Find Least Common Denominators
Enter another two numbers below to find the Least Common Denominator.