Summary of Rules

The following rules concern operations with fractions. Click on the rule you wish to review.

• Rule 1: Zero in the Denominator of a Fraction
• Rule 2: Zero in the Numerator of a Fraction
• Rule 3: One Minus Sign in a Fraction
• Rule 4: Odd Number and Even Number of Minus Signs in a Fraction
• Rule 5: Division Symbol in a Fraction
• Rule 6: Properties of the Number 1
• Rule 7: Different Faces of the Number 1
• Rule 8: Any Integer can be Written as a Fraction
• Rule 9: Factoring Integers
• Rule 10: Reducing Fractions
• Rule 11: Multiplying Two Simple Fractions
• Rule 12: Multiplying an Integer and a Simple Fraction
• Rule 13: Multiplying Three or More Simple Fractions
• Rule 14: Dividing Simple Fractions
• Rule 15: Dividing a Simple Fraction by an Integer
• Rule 16: Dividing Three or More Simple Fractions
• Rule 17: Building Fractions
• Rule 18: Adding Two Simple Fractions
• Rule 19: Subtracting Two Simple Fractions
• Rule 20: Order of Operations for , , +, -
• Rule 21: Order of Operations for Parentheses
• Rule 22: Order of Operations for Nested Parentheses
• Rule 23: Order of Operations in Fractions
• Rule 24: Converting Complex Fractions to Simple Fractions
• Rule 25: Multiplying and Dividing Two Complex Fractions
• Rule 26: Adding and Subtracting Two Complex Fractions
• Rule 27: Compound Fractions
• Rule 28: Converting Decimals to Fractions
• Rule 29: Converting Percentages to Fractions

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