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Operations with Fractions

The content provides a comprehensive guide on performing basic arithmetic operations with fractions, crucial for GRE exam preparation.
  • Addition and subtraction of fractions require a common denominator, and equivalent fractions may be used to achieve this.
  • Multiplication of fractions is straightforward, involving cross-multiplication of numerators and denominators, with emphasis on canceling common factors before multiplying to simplify calculations.
  • Division of fractions involves multiplying by the reciprocal of the fraction being divided, with specific strategies for dividing whole numbers by fractions and vice versa.
  • Finding the least common multiple (LCM) or denominator is essential for adding or subtracting fractions with different denominators, a skill further discussed in the Integer Property module.
  • Practice problems are provided to reinforce the concepts of fraction addition, subtraction, multiplication, and division.
Adding and Subtracting Fractions
Multiplication of Fractions
Division of Fractions
Strategies for Simplifying Calculations