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## Adding and Subtracting Fractions

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