### Videos on Multiplying Fractions

A couple of students in my on-line classes have been asking questions about multiplying fractions. Should you simplify before or after multiplying? How should you simplify? By cross-canceling directly, or by a prime factorization and cross-canceling combo? Here are some videos I have made to help clarify the situation. View on screencast.com » View on screencast.com » View on screencast.com »