45 = 3*3*5, 30 = 3*2*5, 25= 5*5. They all have one common factor of one 5 (other than 1), 30 & 45 also have a common factor of one 3, so multiply 3*3*2*5*5 = 450
For 45, 30, 25 the LCM is: 450
360 is the LCM of 8, 30 and 45
The LCM is 225.
The LCM is 450.
The LCM is 360.
The LCM is 720.
The LCM is 360.
The LCM is: 900
The LCM of 22, 30 and 45 is 990.
The LCM of 30, 45 and 75 is 450.
LCM(30, 45, 60) = 180
225.45:25 = 9:525 * 9 = 45 * 5 = 225.