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How do you find the Least common multiple of 20, 30?

1 Answer

Dec 8, 2016

#lcm(20,30)=60#

Explanation:

multiples of 20:#" "{20,40,60,80,100,120,140,160,180..}#

multiples of 30:#" "{30,60,90,120,150,180,...}#

common multiples;#" "{60,120,180...}#

#lcm(20,30)=60#

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