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# Why is the product of two proper fractions less than either of the fractions?

A proper fraction is less than 1. Whenever you multiply something by a number < 1, the result (product) is less than the original number. So when you multiply a proper fraction by a number less one (such as another proper fraction, the product is less than the original proper fraction.

The only time a product involving a given number is larger than the given number is when you multiply the given number by a number that is > 1. Since all proper fractions are < 1, products involving them are always less than the original given number.

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That is not true because proper fractions need not be positive. -1/2 and -2/3 are proper fractions.

Their product is 1/3, which is greater than either of the fractions.

The product of two POSITIVE fractions less than one is less than either factor. Try thinking of multiplication as ‘of’ when performing multiplication of fractions less than one. E.g. 1/4 x 1/4 = is asking what is one quarter of one quarter, which is one sixteenth 1/4 x 1/4 = 1/16 (multiply 1 x 1 to get the numerator and 4 x 4 to get the denominator (1/16)

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Q: Why is the product of two proper fractions less than either of the fractions?
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