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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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common denominators
Common Denominators
  • Add or subtract the numerators
  • Keep the denominator
  • reduce
unlike denominators
Unlike Denominators
  • Find the LCM of the denominators (LCD)
  • Rename the fractions
  • Add or subtract the numerators
  • Keep the denominators
  • reduce
mixed numbers
Mixed Numbers
  • Turn into improper fractions
  • Find LCD
  • Rename fractions
  • Add or subtract numerators
  • Keep denominators
  • Reduce
  • Turn back into Mixed Number
homework
Homework
  • Page 238 (10-28) all