There are an infinite number of correct answers.
Here's one of them:
6.5 and 12
The two prime numbers that are factors of 55 are 11 and 5.
The numbers are: 55 and 55
55 and 110
They are: square root of 55 times square root of 55 = 55 or 27.5+27.5 = 55
45 and 10
The numbers are: 55 and 2.25
55 + 33
55 (the other number is 44).
45 and 10
To have an LCM you must have two or more numbers. There is no LCM for 55, but some multiples of 55 are 55, 110, 165, etc.
11x5
5 and 11.