Operations with Fractions
Summary
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.
Chapters
00:05
Adding and Subtracting Fractions
04:22
Multiplication of Fractions
06:20
Division of Fractions
05:33
Strategies for Simplifying Calculations
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