It is 900.
The least common denominator for 9 and 10 is 90.
The least common denominator of 9 tenths and one forty fifths is 10.
990
It is: 90
180
The least common denominator for 9 and 10 is 90.
The least common denominator is 30. 9/10 = 27/30
180
9/10 and 2/20
It is: 90
360
990
It is: 90
720
The least common denominator of 9 tenths and one forty fifths is 10.
least common denominator for 15 and 10 is 30, so 9/15 = 18/30 and 7/10 = 21/30
9/10 is already in its lowest term.