1. Common Denominators Copyright © 2013 Kelly Mott

2. Common Denominators Part 1: LessonLesson Copyright © 2013 Kelly Mott

3. FOCUS QUESTION: How do I make fractions have common denominators? Copyright © 2013 Kelly Mott

4. To make fractions have common denominators: 1.Find the least common multiple. 2.Multiply 3.Whatever you do to the top, you have to do to the bottom. Copyright © 2013 Kelly Mott 2 3 3 4 and

5. PRACTICE: Let’s try a few! Copyright © 2013 Kelly Mott

6. To make fractions have common denominators: 1.Find the least common multiple. 2.Multiply 3.Whatever you do to the top, you have to do to the bottom. Copyright © 2013 Kelly Mott 3 10 1 2 and

7. To make fractions have common denominators: 1.Find the least common multiple. 2.Multiply 3.Whatever you do to the top, you have to do to the bottom. Copyright © 2013 Kelly Mott 3 5 3 4 and

8. To make fractions have common denominators: 1.Find the least common multiple. 2.Multiply 3.Whatever you do to the top, you have to do to the bottom. Copyright © 2013 Kelly Mott 2 4 7 8 and

9. To make fractions have common denominators: 1.Find the least common multiple. 2.Multiply 3.Whatever you do to the top, you have to do to the bottom. Copyright © 2013 Kelly Mott 2 3 5 12 and

10. To make fractions have common denominators: 1.Find the least common multiple. 2.Multiply 3.Whatever you do to the top, you have to do to the bottom. Copyright © 2013 Kelly Mott 1 4 1 6 and

11. PRACTICE: Now let’s tell if each pair of fractions is equivalent. Copyright © 2013 Kelly Mott

12. Remember that equivalent fractions are equal. They are worth the same. Find the common denominator. Then use = or = to show whether they are equivalent. Copyright © 2013 Kelly Mott 1 2 2 6

13. Remember that equivalent fractions are equal. They are worth the same. Find the common denominator. Then use = or = to show whether they are equivalent. Copyright © 2013 Kelly Mott 3 4 5 6

14. Remember that equivalent fractions are equal. They are worth the same. Find the common denominator. Then use = or = to show whether they are equivalent. Copyright © 2013 Kelly Mott 6 8 3 4

15. Remember that equivalent fractions are equal. They are worth the same. Find the common denominator. Then use = or = to show whether they are equivalent. Copyright © 2013 Kelly Mott 6 10 3 5

16. Remember that equivalent fractions are equal. They are worth the same. Find the common denominator. Then use = or = to show whether they are equivalent. Copyright © 2013 Kelly Mott 3 4 2 3

17. Remember that equivalent fractions are equal. They are worth the same. Find the common denominator. Then use = or = to show whether they are equivalent. Copyright © 2013 Kelly Mott 3 4 5 6

18. Remember that equivalent fractions are equal. They are worth the same. Find the common denominator. Then use = or = to show whether they are equivalent. Copyright © 2013 Kelly Mott 1 4 3 12

19. PRACTICE: Word Problems Copyright © 2013 Kelly Mott

20. 1. Adam drew two same sized rectangles and divided them into the same number of equal parts. He shaded 1/3 of one rectangle and 1/4 of the other rectangle. What is the least number of parts into which both rectangles could be divided? Question:Steps: Solve:Answer in Words: Copyright © 2013 Kelly Mott

21. 2. Mera painted equal sections of her bedroom wall to make a pattern. She painted 2/3 of the wall white and ½ of the wall lavender. Write an equivalent fraction for each using a common denominator. Question:Steps: Solve:Answer in Words: Copyright © 2013 Kelly Mott

22. How did you do? Copyright © 2013 Kelly Mott