The lowest denominator is 2. The lowest common denominator is 18.
1.5 = 3/2 The denominator is 2.
2
2
The lowest common denominator is 10
You need at least 2 numbers to get a lowest common denominator. The lowest denominator for 238 is 1, but as there is no other number in the question, there is no common denominator.
2
6
The lowest common FACTOR of 7,3 and 2 is 42.
2
8
60
The lowest common denominator of the fractions 2 over 9 and 1 over 6 is 18.