To estimate the product of 4 5/8 and 1/3, round 4 5/8 to 5 and multiply by 1/3 to get an estimated result of 1 2/3 or about 1.67. ;
To estimate 4 8 5 × 3 1 , round 4 8 5 to 5 and multiply it by 3 1 , resulting in an estimated product of 1 3 2 or approximately 1.67. The improper fraction calculation also shows that this method simplifies the multiplication process.
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