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Adding and Subtracting Fractions
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complete the addition 3/8 + 1/8 + _____ = 7/8
3/8
Oops!
Okay!
_____ - 5/9 = 3/9
8/9
Oops!
Okay!
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
Oops!
Okay!
7/8 - 2/8 =
5/8
Oops!
Okay!
7/8 - 3/8 =
4/8
Oops!
Okay!
3/5 + 4/5 =
7/5
Oops!
Okay!
The chef serves 1/6 of an apple pie. What fraction of the apple pie is left?
5/6 of an apple pie
Oops!
Okay!
7/8 + 6/8 =
13/8
Oops!
Okay!
4/11 + _____ = 14/11
10/11
Oops!
Okay!
11/12 - 3/12
8/12
Oops!
Okay!
3/8 + _____ = 9/8
6/8
Oops!
Okay!
6/8 - _____ = 1/8
5/8
Oops!
Okay!
TRUE or FALSE 5/12 + 7/12 = 1
True!!
Oops!
Okay!
TRUE or FALSE 9/10 - 2/10 = 6/10
False!!
Oops!
Okay!
5/6 + 3/6 =
8/6
Oops!
Okay!
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