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Show two ways to multiply 2/15 × 3/20. then tell which way is easier and justify your choice.
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Show two ways to multiply 2/15 × 3/20. then tell which way is easier and justify your choice.

User Oim
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Well, 1 way is multiply the denominators like this 15×20=300. So use the 15 and multiply it with both of the numerators.
User Ricardo Costeira
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