I couldn't make out michael's e-mail (perhaps one of you could forward a link to him).  Thanks!

It was great collaborating with you at yesterday's seminar.

This blog will be a work in process and will be greatly improved by your contributions!


Building on the simple example per our discussion:

a          c            ad  +  bc
--    +   --    =    --------------
b          d                bd


is a key algorithm in working with polynomials.

The algorithm is useful in working with fractions per the following very simple slides (I also like to compare and contrast multiplication, division and cross multiplication in this process):