1. 3-6 Adding and Subtracting Unlike Fractions

2. Add Unlike Fractions Unlike fractions are fractions with different denominators. Key Concept: Adding Unlike Fractions WordsTo add fractions with unlike denominators, cross multiply and multiply the denominators. Then add and simplify as with like fractions. Example

3. Add Unlike Fractions 1.

4. Add Unlike Fractions 2.

5. Add Unlike Fractions Find each sum. Write in simplest form. 1. 2.

6. Add Unlike Fractions Find each sum. Write in simplest form. 3. 4.

7. Add Mixed Numbers 1.

8. Add Mixed Numbers Find each sum. Write in simplest form. 1. 2.

9. Subtracting Unlike Fractions Key Concept: Subtracting Unlike Fractions WordsTo subtract fractions with unlike denominators, cross multiply and multiply the denominators. Then subtract and simplify as with like fractions. Example

10. Subtract Unlike Fractions 1.

11. Subtract Unlike Fractions Find each difference. Write in simplest form. 1. 2.

12. Subtract Mixed Numbers 1.

13. Subtract Mixed Numbers Find each difference. Write in simplest form. 1. 2.