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adding and subtracting fractions
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What is your class name?
Class X70
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40/48
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1/6
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What room number are you in?
Room number 141
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Solve: Who is your teacher?
Mr. Murrain
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7/12
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10/8
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3/10
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20/48
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2/20
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72/80
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24/60
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1/10
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24/36
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Solve
52/80
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