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Best Answer

You convert mixed fractions into improper fractions to multiply them.

e.g

2 4/5 x 3 6/7

1.2x5=10

2.10+4+14

14/5 x 3 6/7

3.3x7=21

4.21+6=27

14/5x27/7=10 7/35

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14y ago
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Q: Why do you have to convert to an improper fraction?
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