4: Introduction to Fractions and Multiplication and Division of Fractions Last updated Save as PDF Page ID 48856 Denny Burzynski & Wade Ellis, Jr. College of Southern Nevada via OpenStax CNX 4.1: Factions of Whole Numbers 4.2: Proper Fractions, Improper Fractions, and Mixed Numbers Now that we know what positive fractions are, we consider three types of positive fractions: proper fractions, improper fractions, and mixed numbers. 4.3: Equivalent Fractions, Reducing Fractions to Lowest Terms, and Raising Fractions to Higher Terms 4.4: Multiplication of Fractions 4.5: Division of Fractions 4.6: Applications Involving Fractions 4.7: Summary of Key Concepts 4.8: Exercise Supplement 4.9: Proficiency Exam