Least Common Multiple (LCM)

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More Lessons for Grade 4

Math Worksheets

Videos, stories and songs to help Grade 4 students learn how to obtain the least common multiple or least common denominator.

How to find the least common multiple

You can find the least common multiple (lowest common multiple) simply and quickly by using the upside down birthday cake method (or repeated division)

How to find the least common multiple

The LCM & GCF Song

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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