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Adding and Subtracting Fractions

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  • Yuri adds two fractions. This is her working: 3/9 + 2/9 = 5/18. Do you agree with her? Explain!
    Disagree, because it is supposed to be 5/9
  • 7/8 - 2/8 =
    5/8
  • 6/8 - _____ = 1/8
    5/8
  • _____ - 5/9 = 3/9
    8/9
  • 5/6 + 3/6 =
    8/6
  • 7/8 - 3/8 =
    4/8
  • TRUE or FALSE 9/10 - 2/10 = 6/10
    False!!
  • 7/8 + 6/8 =
    13/8
  • The chef serves 1/6 of an apple pie. What fraction of the apple pie is left?
    5/6 of an apple pie
  • 11/12 - 3/12
    8/12
  • TRUE or FALSE 5/12 + 7/12 = 1
    True!!
  • 4/11 + _____ = 14/11
    10/11
  • complete the addition 3/8 + 1/8 + _____ = 7/8
    3/8
  • 3/8 + _____ = 9/8
    6/8
  • 3/5 + 4/5 =
    7/5
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