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In Mathematics / Middle School | 2014-09-24

Multiplying a number by \(\frac{4}{5}\) and then dividing by \(\frac{2}{5}\) is the same as multiplying by what number?

Asked by iluvgracemarie

Answer (3)

It is the same as multiplying by 5/2 since for dividing you just flip the numbers of the second fraction

Answered by ravensfan8484 | 2024-06-10

Multiplication by 4/5 followed by division by 2/5 is equivalent to directly multiplying the initial number by 2. ;

Answered by BritMarling | 2024-06-18

Multiplying a number by 5 4 ​ and dividing by 5 2 ​ is the same as multiplying that number by 2 . We achieve this by simplifying the multiplication and division of fractions. Essentially, we find that the overall operation results in multiplying by 2.
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Answered by ravensfan8484 | 2024-12-26