Answer :

bagkakali

Answer:

40=2×2×2×5

60=2×2×3×5

70=2×5×7

so L C M of 40 , 60 and 70 is

2×2×2×5×3×7

=840

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Answer:

40= 2³ x 5

60= 2*2*3*5= 2² x 3 x 5

70= 2 x 5 x 7

LCM: 2³*3*5*7= 40*21= 840

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