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Yes. Although a negative fraction would have to involve addinig negative unit fractions.

A positive fraction is a number of the form x/y where x and y are positive integers.

The simplest solution is to add x lots of 1/y.

Q: Can any fraction be expressed as the sum of unit fractions?

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Unit fractions are fractions where the top number (numerator) is 1. EG: 1 over 5 ( 1/5 ) - The top number is 1 so it is a unit fraction.a unit fraction is any fraction with a numerator of 1 for example: 1/8 is a unit fraction 1/125, is a unit fraction 9/16 is NOTa unit fraction

Yes, but only if negative unit fractions are included.For example 3/7 = 1/2 - 1/14but I do not think there are positive unit fractions that will do.Yes, but only if negative unit fractions are included.For example 3/7 = 1/2 - 1/14but I do not think there are positive unit fractions that will do.Yes, but only if negative unit fractions are included.For example 3/7 = 1/2 - 1/14but I do not think there are positive unit fractions that will do.Yes, but only if negative unit fractions are included.For example 3/7 = 1/2 - 1/14but I do not think there are positive unit fractions that will do.

Any integer can be expressed as a fraction. The simplest is the integer itself divided by one.

It's any fraction in which the top number (numerator) is the same or a multiple of the bottom number (denominator).

Any number that can be expressed as a fraction is rational and there are plenty of fractions from -1 to 0

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No. They thought that all fractions could be expressed as combinations of unit fractions. They and other ancients may have thought that any fraction could be wretten as a combination of unit fractions, but according to wikipedia they (ancient Egyptians) had special symbols for 2/3 and 3/4 and even had a papyrus used by scribes that listed the equivalents for 2/n, so they did not always write fractions as this combination of unit fractions. Does your question mean a combination of unit fractions, or as a unit fraction?

Unit fractions are fractions where the top number (numerator) is 1. EG: 1 over 5 ( 1/5 ) - The top number is 1 so it is a unit fraction.a unit fraction is any fraction with a numerator of 1 for example: 1/8 is a unit fraction 1/125, is a unit fraction 9/16 is NOTa unit fraction

Yes, but only if negative unit fractions are included.For example 3/7 = 1/2 - 1/14but I do not think there are positive unit fractions that will do.Yes, but only if negative unit fractions are included.For example 3/7 = 1/2 - 1/14but I do not think there are positive unit fractions that will do.Yes, but only if negative unit fractions are included.For example 3/7 = 1/2 - 1/14but I do not think there are positive unit fractions that will do.Yes, but only if negative unit fractions are included.For example 3/7 = 1/2 - 1/14but I do not think there are positive unit fractions that will do.

Any integer can be expressed as a fraction. The simplest is the integer itself divided by one.

There are infinitely many. Any fraction which can be expressed as (3n/5n), where n is a non-zero integer.

120 is an integer and not a fraction. However, it can be expressed in rational form as 120/1. You can then calculate equivalent rational fractions if you multiply both, its numerator and denominator, by any non-zero integer.

It's any fraction in which the top number (numerator) is the same or a multiple of the bottom number (denominator).

Any number that can be expressed as a fraction is rational and there are plenty of fractions from -1 to 0

5 is an integer and not a fraction. However, it can be expressed in rational form as 5/1. You can then calculate equivalent rational fractions if you multiply both, its numerator and denominator, by any non-zero integer.5 is an integer and not a fraction. However, it can be expressed in rational form as 5/1. You can then calculate equivalent rational fractions if you multiply both, its numerator and denominator, by any non-zero integer.

20 is an integer and not a fraction. However, it can be expressed in rational form as 20/1. You can then calculate equivalent rational fractions if you multiply both, its numerator and denominator, by any non-zero integer.

187 is an integer and not a fraction. However, it can be expressed in rational form as 187/1. You can then calculate equivalent rational fractions if you multiply both, its numerator and denominator, by any non-zero integer. All of them are improper fractions.

They have the same numerator (1) but different denominators. Since the numerator is 1 in each fraction, it cannot be simplified therefore each unit fraction is in its simplest form. Then, because the denominators of any two of them are different the fractions must be different.