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Yes, but only if negative unit fractions are included.

For example 3/7 = 1/2 - 1/14

but 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 - 1/14

but 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 - 1/14

but 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 - 1/14

but I do not think there are positive unit fractions that will do.

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Yes, but only if negative unit fractions are included.

For example 3/7 = 1/2 - 1/14

but I do not think there are positive unit fractions that will do.

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

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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.

It will be irrational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.

Yes because it can't be expressed as a fraction

It is an irrational number that can't be determined or expressed as a fraction.

4/10 = 2/5 as a fraction in its simplest form

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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.

An algorithm for finding a unit fraction expression for any fraction is the Greedy Method. To use the Greedy Method on fraction X. Start with the largest unit fraction less then fraction X. Then continue in the same manner to represent the remaining value. 5/8th imperial measure or .625 in decimal.

It will be irrational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.

It is an irrational number that can't be determined or expressed as a fraction.

Yes because it can't be expressed as a fraction

4/10 = 2/5 as a fraction in its simplest form

Yes, Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.

It is the same as for any other addition. The answer is the sum.

The sum of a fraction? Well, to find the sum of the fraction all you do is divide both top and bottom numbers.

True. Every one is a sum of 0 and itself!

Any fraction greater than 3/7.

First you add the fractions, then you see if you can simplify the result. You simplify it just as you would simplify any other fraction.