1. © 2007 M. Tallman

2. - 5 1 5 1 5 1 5 1 5 1 5 1

3. - = 10 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

4. © 2007 M. Tallman 8 1 - 8 1 8 1 8 1 8 1 8 1 8 1 8 1

5. - = 7 1 7 1 7 1 7 1 7 1 7 1 7 1 7 1

6. - 15 1 1 1 1 1 1 1 1 1 7 2 - 5 Step 2: The denominator remains the same. Step 3: Simplify, if necessary. Step 1: Subtract the numerators. 15 1 1 1 1 1 GCF: 5 5 5 ÷ 3 1 = 3 1

7. © 2007 M. Tallman - 6 5 6 2 - 6 3 Step 2: The denominator remains the same. Step 3: Simplify, if necessary. GCF: 3 Step 1: Subtract the numerators. 2 1 3 3 ÷ 2 1 = 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1

8. © 2007 M. Tallman 10 1 - 4 2 - 2 Step 2: The denominator remains the same. Step 3: Simplify, if necessary. GCF: 2 Step 1: Subtract the numerators. 2 2 ÷ 5 1 = 10 1 1 1 1 1 5 1 1 1

9. © 2007 M. Tallman - 9 4 9 1 - 9 3 Step 2: The denominator remains the same. Step 3: Simplify, if necessary. GCF: 3 Step 1: Subtract the numerators. 3 3 ÷ 3 1 = 9 1 9 1 9 1 9 1 9 1 9 1 9 1 9 1 3 1

10. © 2007 M. Tallman - 12 5 1 - 4 Step 2: The denominator remains the same. Step 3: Simplify, if necessary. GCF: 4 Step 1: Subtract the numerators. 4 4 ÷ 3 1 = 1 12 1 1 1 1 1 3 1 1 1 1 1

11. © 2007 M. Tallman - 8 3 8 1 - 8 2 Step 2: The denominator remains the same. Step 3: Simplify, if necessary. GCF: 2 Step 1: Subtract the numerators. 2 2 ÷ 4 1 = 8 1 8 1 8 1 8 1 8 1 8 1 4 1

12. © 2007 M. Tallman 8 8 1 - 8 4 GCF: 4 4 4 ÷ 2 1 = 5 Step 2: The denominator remains the same. Step 3: Simplify, if necessary. Step 1: Subtract the numerators.

13. © 2007 M. Tallman 11 5 - 4 9 Step 2: The denominator remains the same. Step 3: Simplify, if necessary. Step 1: Subtract the numerators.

14. © 2007 M. Tallman 10 5 - 4 GCF: 2 2 2 ÷ 5 2 = 9 Step 2: The denominator remains the same. Step 3: Simplify, if necessary. Step 1: Subtract the numerators.

15. © 2007 M. Tallman 16 1 - 8 GCF: 8 8 8 ÷ 2 1 = 9 Step 2: The denominator remains the same. Step 3: Simplify, if necessary. Step 1: Subtract the numerators.

16. © 2007 M. Tallman 12 2 - 5 7 Step 2: The denominator remains the same. Step 3: Simplify, if necessary. Step 1: Subtract the numerators.