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1 Math Subtract Fractions

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2 What Are You Learning? I CAN subtract fractions. I CAN subtract mixed numbers.

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3 Why Do You Need To Know This? Subtracting fractions is important because many real-world situations deal with fractions. Such as recipes, measurements, distances, lengths, and heights.

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4 Subtracting Like Fractions Subtract the numerators. Keep the same denominator. Simplify if needed.

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5 Subtract. Write in simplest form. a. 9/10 – 1/10 b. 5/6 – 1/6 c. 8/9 – 2/9

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6 Subtracting Unlike Fractions Find the least common denominator. Change the numerators. Subtract the numerators and keep the denominator. Simplify.

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7 Subtract. Write in simplest form. a. 7/8 - 5/6 b. ¾ - 1/6 c. 5/6 – 3/8 d. 2/3 – 1/6

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8 Subtracting Mixed Numbers Write in simplest form. a. 8 5/6 – 2 1/3 b. 13 7/8 – 9 ¾ c. 9 7/10 – 4 3/5 d. 7 – 1 ½ e. 1 1 - 6 3/8 f. 8 – 3 2/3

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9 Subtracting Mixed Numbers Write in simplest form. a. 7 ¼ - 2 ¾ b. 5 1/5 – 3 4/5

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10 Class Work

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Adding and Subtracting Unlike Fractions Lesson 4-3.

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