The Pai Intersect: Understanding Fraction Division #1

http://intersectpai.blogspot.com/2012/08/understanding-fractions-division-1.html

All of us who teach mathematics are, at some point in our career, amazed at what we can learn about something we thought we already knew. High on that list of topics has to be fraction division, and I was happy to see that this blogger seems to know partitive (post #1) and quotative division (post #2).