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Help With Fractions: Simplifying Fractions
The rules for simplifying fractions are clearly explained at this website. An explanation of how to simplify improper fractions is also included. This is an excellent place to get step by step explanations for working with fractions.
Help Algebra
Help algebra.com: Fractions
This resource offers an overview of fractions from several aspects, including simplifying, reduced, mixed numbers and improper form, and basic operations. Examples and diagrams are included to help demonstrate each topic.