Tag Archives: greatest common factor

LCM and GCF – And Something Really Cool

In a previous post, we learned that you don’t have to use a LCM (least common multiple) to find a common denominator to add fractions. In another post, we learned that you can use primes instead of the GCF (greatest common factor) to reduce fractions. And now I’m going to demonstrate that finding the LCM… Continue Reading →