Least Common Multiple (LCM) & Greatest Common Factor (GCF)

The quickest way to reduce a fraction is to divide out by the GCF! Method 1 for finding GCF of a list of numbers: List all the possible factors of the numbers. Choose the largest common factor from the lists. Example: Find the GCF of 24 and 40. Factors of 24 are all the numbers that divide in evenly. We can find these by listing out all the ... ................
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