Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall. Chapter 3 Adding and Subtracting Fractions

Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall. 3.4 Adding and Subtracting Mixed Numbers

Martin-Gay, Developmental Mathematics, 2e 33 Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall. Adding Mixed Numbers Recall that a mixed number has a whole number part and a fraction part. Adding or Subtracting Mixed Numbers To add or subtract mixed numbers, add or subtract the fraction parts and then add or subtract the whole number parts.

Martin-Gay, Developmental Mathematics, 2e 44 Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall. Example Add:

Martin-Gay, Developmental Mathematics, 2e 55 Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall. Example Add:

Martin-Gay, Developmental Mathematics, 2e 66 Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall. Example Subtract:

Martin-Gay, Developmental Mathematics, 2e 77 Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall. Example Subtract: Need to borrow since you cannot subtract 3 – 12.

Martin-Gay, Developmental Mathematics, 2e 88 Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall. Example Two packages of ground round are purchased. One package weight 2 3/8 pounds and the other 1 4/5 pounds. What is the combined weight of the ground round?