1188 is a common denominator for 9,11,12
since 9 and 11 have no common factors, the LCD is 99
If 9, 11, and 16 are all denominators, you could multiply them together to come up with a common denominator of 1,584.
198
693
1
990 is one possible answer.What common denominator can 9 11 and 10 go into? In Math and Arithmetic
LCD(8, 11, 9) = 792
1980
5148
990
The least common denominator is 30. 9/10 = 27/30