Thursday, 12 January 2012

Just came across a James Tanton blog that has some nice extensions of the old joke about bad cancellations in fractions.  I used to show my students that you could simplify 16/64 by just crossing out the sixes to get 1/4.  Among the similar type examples that he gives in the blog is the rather clever:




Cancel all the common numerals top and bottom and get...



See it all here, and enjoy
Post a Comment