Question #ecb1e

1 Answer
Jim G.
Oct 3, 2017

#45#

Explanation:

#"one way is to divide the larger number by the smaller"#

#• " if remainder is zero then larger number is LCM"#

#• " if not repeat with "color(blue)"multiples ""of larger number"#

#9/5to" remainder "4rArr" 9 is not LCM"#

#18/5to"remainder 3"rArr" 18 is not LCM"#

#27/5to"remainder 2"rArr" 27 is not LCM"#

#36/5to"remainder 1"rArr"36 is not LCM"#

#45/5to"remainder 0"rArr"45 is the LCM"#

#"if you know your multiplication tables then this"#
#"procedure can be done mentally"#

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