(24 points) Add the following fractions and mixed numbers.

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 (24 points) Add the following fractions and mixed numbers. Write the answers as fractions or mixed numbers, with fractions in lowest terms. (3 points for each correct answer)
(24 points) Subtract the following fractions and mixed numbers. Write the answers as proper fractions or mixed numbers, with fractions in lowest terms. (3 points for each correct answer)

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