What number is a multiple of both 6 and 9

- What number is a multiple of 6 and 9
- What number is a multiple of 6 9 and 18
- What is the smallest number that is a multiple of both 6 and 9
- What number is a common multiple of 6 and 9
- Which number is not a multiple of both 6 and 9
- Which of the following number is a multiple of both 6 and 9
- Multiple of 9
- 6 multiple
- What is the number
- Multiples of 9 up to 100