Respuesta :

1800

LCM of 10 and 15 = 30
LCM of 6 and 20 = 60
30(60) = 1800

Answer:

1800

LCM of 10 and 15 = 30

LCM of 6 and 20 = 60

30(60) = 1800

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Step-by-step explanation: