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Adding and Subtracting Fractions

Adding and Subtracting Fractions. 5.3. Common Denominators. Add or subtract the numerators Keep the denominator reduce. Examples. Unlike Denominators. Find the LCM of the denominators (LCD) Rename the fractions Add or subtract the numerators Keep the denominators reduce. Examples.

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Adding and Subtracting Fractions

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  1. Adding and Subtracting Fractions 5.3

  2. Common Denominators • Add or subtract the numerators • Keep the denominator • reduce

  3. Examples

  4. Unlike Denominators • Find the LCM of the denominators (LCD) • Rename the fractions • Add or subtract the numerators • Keep the denominators • reduce

  5. Examples

  6. Mixed Numbers • Turn into improper fractions • Find LCD • Rename fractions • Add or subtract numerators • Keep denominators • Reduce • Turn back into Mixed Number

  7. Examples:

  8. Homework • Page 238 (10-28) all

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