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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.

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Q: How are all unit fractions different?

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The answer depends on what they are meant to be alike and different from!

A unit fraction IS a fraction, but of a specific type where the numerator is 1. Thus 1/2, 1/3, 1/4, etc are all unit fractions.

There are infinitely many different ways to make groups of fractions that sum to 1.

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.

1/2 = 2/4 = 4/8 are three different looking fractions that all mean the same, and are equivalent fractions.

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Unit fractions all have the same numerators but the denominators can be different.

The answer depends on what they are meant to be alike and different from!

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?

All of them have a numerator of 1.

A unit fraction IS a fraction, but of a specific type where the numerator is 1. Thus 1/2, 1/3, 1/4, etc are all unit fractions.

Well as a matter of fact Egyptian fractions can only be unit fractions with different denomitnators. They will never do 1/2+1/2=1 instead they would us the mehod /i explained.

How would we do it well remember a unit fraction always has one as a numerator. So 2/3 would be 1/3 plus 1/3. These are the unit fractions. It's got a 1 is a numerator all right 5/6 would be a 1 6.

You basically have to learn separately how to do different things with fractions, including finding a common denominator; converting fractions to a different denominator; simplifying fractions; adding and subtracting fractions; multiplying fractions; dividing fractions.

10 9 5 6 3 all those are 5 different fractions ---- === === === === 10 9 5 6 3 all those are 5 different fractions ---- === === === ===

There are infinitely many different ways to make groups of fractions that sum to 1.

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.

Different fractions are equal to different values.