The LCM is 600.
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If the numbers are x and y then x + y = 40 x - y = 10 so x = 25, y = 15 Then LCM(x, y) = LCM(25, 15) = 75
The LCM is 600.
The LCM is: 840
120 is the LCM of 30 and 40
30 = 3 x 1040 = 4 x 10The GCF of 30 and 40 is 10.30 x 4 = 12040 x 3 = 120The LCM of 30 and 40 is 120.