Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

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Addition and Subtraction with Mixed Numbers - Problem 3

Alissa Fong
Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

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If we want a general idea of a sum or difference of mixed numbers, we can round each one to an approximate "easier" form- consider rounding to have common denominators or rounding to integers. From there, we can estimate the sum or difference. This estimation is what you might do in the "real world" rather than convert to improper fractions and find the exact sum or difference.

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