You can put this solution on YOUR website! Find the LCM of 120 and 135.
First, find the prime factors of each of the two numbers using exponents for repeated factors:
120: 2*2*2*3*3*3*5 =
135: 3*3*3*5 =
Now, from the two lists of prime factors, take the product of the highest power of each factor.
The LCD of 120 and 135 is 1080.