Adding and subtracting mixed numbers

Lessons

• Introduction
  a)

  Simplify fractions: Method A - By using greatest common factors
  
  
  b)

  Simplify fractions: Method B - By using common factors
  
  
  c)

  What are equivalent fractions?
  
  
  d)

  How to add fractions?
  
  
  e)

  How to subtract frations?
  • subtracting with improper fractions
  • subtracting with mixed numbers
  
  
  f)

  Proper fractions VS. Improper fractions VS. Mixed fractions
  
  

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• 1.
  Subtract or add using the given diagram.
  
  
  a)

  
  
  
  
  
  b)

  
  
  
  
  

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• 2.
  Subtract or add.
  a)

  $1\frac{3}{6}+\frac{3}{8}$
  
  

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• 3.
  Maren goes to soccer practice for $2\frac{4}{5}$ hour each day. In the morning, she has $1\frac{3}{4}$ hour of practice. How many hours of practice does she have in the afternoon?

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• 4.
  Hannah ran for $1\frac{1}{4}$ hour and then biked for $1\frac{2}{3}$ hour. For how long did she exercise?

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