# math

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find the lowest common multiple of 30,40 and 70?

-|-8|- |-11-8|

• math -

30 = 3x10
40 = 4x10
70 = 7x10
So LCM = 3x4x7x10 = 840

-|-8|- |-11-8|
= -(8) - (19)
= - 27

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