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Here’s a quick & visual way to DISCOVER least common multiples

DVDs and ATMs
LOLs, SMHs, and LCMs!

Oh, the power of initialisms! We can express much in only three letters!
If not for these 3-letter combinations, we mathematicians would have to constantly voice “least common multiple” verses the effortless “LCM!”

Why say “Digital Versatile Disc” when you can utter DVD (remember way back when)? Don’t waste your precious breath articulating “Automated Teller Machine” when you can enunciate ATM. Why type out “Shaking My Head” when SMH will do, or what about the classic LOL? Am I right? With initialisms, we’re saving time all over the place!









Introducing (drum roll) another triple-letter combo to the team: LCM, meaning “Least common Multiple!” Woo Hoo!


The crowd goes extremely wild in mathematical excitement








In this video lesson, Math Specialist Amy employs unifix cubes and color-coding, clearly aiding us to visualize the pure essence of “Least Common Multiple” or LCM! She digs into the etymology, the root of the word, “Multi,” meaning “many!” Then up from the vocabulary depths, we climb and venture into applications: Adding, subtracting, comparing, and ordering fractions! This is good stuff, people!







Quality indeed! This is our classic, compassionate method of teaching! 

Speaking of fractions, have you tried out our Stress-FREE Fraction Course? There will be no SMH or FBI! 

Also check out this other great fraction lesson: Adding and subtracting fractions

Click PLAY on this math lesson. This clutter-free, spacious, and connecting video takes less than 12 minutes! No DVD, ATM, or FAQ! Only LCM, least common multiple multisensory math instruction!

Watch the Video

MFM Authors

Matthew Lyda

Matthew Lyda

Multisensory Math Specialist

Matthew is a Blue Belt in Shotokan Karate, a happy husband, wilderness lover, drummer, and a voracious reader! He works with students one:one as well as in group classes. 

Amy Anderson

Amy Anderson

Multisensory Math Specialist; VP of Grades 7-12

Amy is a certified teacher with a Masters in Education and a Bachelor of Arts. She enjoys photographing the Pacific Northwest landscapes, walking her dog, rock climbing and searching for humpback whales.