The is no "largest" common denominator. For any denominator you find, we can multiply it by a natural number and come up with a larger one.
Do you mean LEAST COMMON DENOMINATOR?
Chat with our AI personalities
The denominators of 20 and 15 are both 1, therefore, the lowest common denominator is 1.
60
300
LCD(8, 20, 15) = 120
A common denominator of 20 and 30 is 600. This is NOT the least common denominator, though.