This Pre-Algebra youtube video tutorial explains the process of multiplying algebraic fractions with exponents and variables. It contains plenty of examples and practice questions.
Algebra For Beginners: https://www.youtube.com/watch?v=MHeirBPOI6w
Introduction to Exponents:
https://www.youtube.com/watch?v=ZtTO8uUGy2Y
The Greatest Common Factor:
https://www.youtube.com/watch?v=BIlF65I2EwA
Simplifying Algebraic Fractions:
https://www.youtube.com/watch?v=WSQh4o3yu4I
Multiplying and Dividing Monomials:
https://www.youtube.com/watch?v=IvefwveWexA
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Simplifying Exponents:
https://www.youtube.com/watch?v=Zt2fdy3zrZU
Multiplying Algebraic Fractions:
https://www.youtube.com/watch?v=wYK0X8XvJjE
Dividing Algebraic Fractions:
https://www.youtube.com/watch?v=JIpvc0WbUBE
The Least Common Multiple:
https://www.youtube.com/watch?v=BSLem5-aDpI
Mean, Median, Mode, and Range:
https://www.youtube.com/watch?v=A1mQ9kD-i9I
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Final Exams and Video Playlists:
https://www.video-tutor.net/