Multiplying Fractions Using LCM

6th Grade Math 4.1a, Multiplying Fractions, Apply GCF and LCM, Cross-Cancel

We use the greatest common factor (GCF) to simplify fractions when we find sums, differences, and products of fractions. We use the least common multiple (LCM) of the denominators of fractions to add and subtract fractions. To multiply two fractions, we multiply the numerators to each other and then we multiply the denominators to each other ...

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