
Adding Fractions
Posted:
Jun 17, 1997 4:13 PM


In a recent post Dom Rosa said about learning to add and subtract fractions " The next day, my classmate Walter E. Maciejowski showed me how you multiply the denominators and crossmultiply to obtain the numerator."
Did Walter say anything about why it might make sense to follow this procedure?
Richard Sisley keckcalc@earthlink.net

