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**10.5 Addition and Subtraction with unlike denominators**

Steps: Find a least common denominator (LCD) Rename fractions Add or subtract numerators

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REVIEW:

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**How to get a LCD with RE Factor the denominators**

Take one of each factor If there are duplicates take the one with the highest exponent

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**Rename Fractions with LCD**

Compare the LCD to the denominator of each fraction Multiply the numerator and denominator of the fraction by a number or polynomial to make your denominator match your LCD

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Example 1

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Example 2:

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Example 3:

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Example 4:

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Example 5:

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Example 6:

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Example 7 You try! Raise your hand when you are done! First person done with the correct answer will earn a math buck!$$$

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Example 8 You try! Raise your hand when you are done! First person done with the correct answer will earn a math buck!$$$

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Example 9 You try! Raise your hand when you are done! First person done with the correct answer will earn a math buck!$$$

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Example 10 You try! Raise your hand when you are done! First person done with the correct answer will earn a math buck!$$$

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Example 11 You try! Raise your hand when you are done! First person done with the correct answer will earn a math buck!$$$

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**Assignment: Page 448 (2-34) even**

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Adding and Subtracting Fractions

Adding and Subtracting Fractions

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