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Operations with Fractions. Parts of a Fractions  Numerator Denominator.

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Presentation on theme: "Operations with Fractions. Parts of a Fractions  Numerator Denominator."— Presentation transcript:

1 Operations with Fractions

2 Parts of a Fractions  Numerator Denominator

3 Common Denominators In order to add or subtract fractions, we must find COMMON DENOMINATORS. To find these, both denominators must be FACTORS of the new common denominator.

4 Add/Subtract Example #1 

5 Add/Subtract Example #2 

6 Multiplying Fractions  Multiply the NUMERATORS.  Multiply the DENOMINATORS.  SIMPLIFY the answer or change it to a MIXED NUMBER if necessary.

7 Multiplying Fractions 

8 Dividing Fractions  Keep the FIRST FRACTION.  Flip the SECOND FRACTION.  Change the sign to MULTIPLICATION.  SIMPLIFY the answer or change it to a MIXED NUMBER if necessary.

9 Dividing Fractions #4 

10 Dividing Fractions #5 

11 White Board Practice!!

12 Practice Problems Expectations:  Copy down the problem.  Use your notes to help you decide what process to use.  Show your work.  Circle your answer. 

13 Practice Problems Expectations:  Copy down the problem.  Use your notes to help you decide what process to use.  Show your work.  Circle your answer. 

14 Practice Problems Expectations:  Copy down the problem.  Use your notes to help you decide what process to use.  Show your work.  Circle your answer. 

15 Practice Problems Expectations:  Copy down the problem.  Use your notes to help you decide what process to use.  Show your work.  Circle your answer. 

16 Practice Problems Expectations:  Copy down the problem.  Use your notes to help you decide what process to use.  Show your work.  Circle your answer. 

17 Practice Problems Expectations:  Copy down the problem.  Use your notes to help you decide what process to use.  Show your work.  Circle your answer. 

18 Practice Problems Expectations:  Copy down the problem.  Use your notes to help you decide what process to use.  Show your work.  Circle your answer. 

19 Practice Problems Expectations:  Copy down the problem.  Use your notes to help you decide what process to use.  Show your work.  Circle your answer. 

20 Practice Problems Expectations:  Copy down the problem.  Use your notes to help you decide what process to use.  Show your work.  Circle your answer. 

21 Practice Problems Expectations:  Copy down the problem.  Use your notes to help you decide what process to use.  Show your work.  Circle your answer. 

22 Practice Problems Expectations:  Copy down the problem.  Use your notes to help you decide what process to use.  Show your work.  Circle your answer. 

23 Practice Problems Expectations:  Copy down the problem.  Use your notes to help you decide what process to use.  Show your work.  Circle your answer. 


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