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Published byStanley Hamilton Modified over 8 years ago

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4-5 Add or Subtract Mixed Numbers

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Add Mixed Numbers To add mixed numbers: o First add the fractions o You may need to rename the fractions so that they have the same denominators o Then, add the whole numbers Example: 15 2/3 + 7 1/2 = 15 2/3 +7 1/2 = =

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Try these: A. -5 1/3 + (-1/4)B. 7 9/10 + (-5 1/2)

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Subtract Mixed Numbers To subtract mixed numbers: o Change mixed numbers into improper fractions o You may need to rename the fractions so that they have the same denominators o Subtract the fractions Example: 15 2/3 - 8 2/6 = = =

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Try these: A. -5 1/3 - (2 1/4)B. 7 9/10 - (-5 1/2)

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Add or Subtract Mixed numbers Use Your Calculator To add or subtract Mixed Numbers using your calculator: o Example: 5 2/3 + 7 1/2 o 5 2 3 7 1 2 o this will give you a fraction in simplest form You try these: o 4¼ - 2 4/9 = ________ o 10 2/3 + ( - 4 1/2) = ________ o -13 1/3 - ( 2 3/7) = ________

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