Answer:
540
Step-by-step explanation:
The multiples of 45 are 9,3,3,1
The multiples of 60 are 12,4,2,1
The multiples of 135 are 27,9,9,9,3
Therefore the LCM can be calculated as follows
= 5×3×2×2×3×3
= 540
Hence the LCM is 540