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Example 1: Subtract the following fractions. Borrow one whole from the whole number and add that to the fraction. Strategy: Check to see if both fractions.

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Presentation on theme: "Example 1: Subtract the following fractions. Borrow one whole from the whole number and add that to the fraction. Strategy: Check to see if both fractions."— Presentation transcript:

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2 Example 1: Subtract the following fractions. Borrow one whole from the whole number and add that to the fraction. Strategy: Check to see if both fractions have common denominators. If they don’t, make them have common denominators. Then, if one fraction is not large enough to subtract another fraction, borrow one whole from its whole number and add one whole to the fraction. Reduce your answer, if necessary. Original problem Subtract to get the answer. 5 Reduce Final answer ÷ 2 Subtracting With The Same Denominators

3 Example 2: Subtract the following fractions. Borrow one whole from the whole number and add that to the fraction. Strategy: Check to see if both fractions have common denominators. If they don’t, make them have common denominators. Then, if one fraction is not large enough to subtract another fraction, borrow one whole from its whole number and add one whole to the fraction. Reduce your answer, if necessary. Original problem Subtract to get the answer. 2 Final answer Rewrite with the LCD x 2 Subtracting With Different Denominators

4 Example 3: Subtract the following fractions. Borrow one whole from the whole number and add that to the fraction. Strategy: Check to see if both fractions have common denominators. If they don’t, make them have common denominators. Then, if one fraction is not large enough to subtract another fraction, borrow one whole from its whole number and add one whole to the fraction. Reduce your answer, if necessary. Original problem Subtract to get the answer. 7 Final answer

5 Solve the following problems. Write your answers in simplest form. 1.) 2.) 3.)

6 Dave is re-covering an old couch and cushions. He determines that he needs 17 yards of fabric for the job. a.) If Dave has yards of fabric, how many more yards does he need? b.) If Dave uses yards of fabric to cover the couch frame, how much of the 17 yards will he have left? Real-Life Application


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