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3×1 1/2=3×6/3=18/3=6

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Hannah completed the multiplication below and said she needed 6 cups of chips for 3 batches of bars. Hannah completed the multiplication below and said she needed 6 cups of chips for 3 batches of bars. Whats Hannah's error?
3*1 2/3 = 3 *6/3=18/3=6
Possible explanation: Hannah did not write the mixed number, 1 2/3, as a fraction correctly, 1 2/3 is not equal to 6/3

5 cups: explanation: first 1 wrote 1 2/3 as a fraction. 1 2/3 = 3/3+2/3=5/3, then I multiplied 3 x 5/3 = 15/3=5 = True
Thus: Hannah needs 5 cups for 3 batches of bars
User JP Hellemons
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