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# What is unit fractions?

Updated: 12/21/2022

Wiki User

13y ago

A unit fraction is like this 1/2,1/3,1/4,1/5 and extra.

This is not a unit fraction 2/9,3/13,5/8,6/12 and extra.

Wiki User

13y ago

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Q: What is unit fractions?
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### Can any fraction be expressed as the sum of two 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.

### How are all unit fractions alike and different?

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

### Is it true that ancient Egyptians thought that all fractions could be written as unit fractions?

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?

### How do you do unit fractions?

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.

### What is a unit in fractions?

A unit = 1 = 1/1 in fraction form.

78/1

an exponent

### What is a unit rate where the the denominator is one unit?

its always going to be in the denominator of 2 fractions.

### How are unit fractions alike?

All of them have a numerator of 1.

Yes they do

### Fractions that have the same denominator?

yes!! it is called unit fraction

### What are fractions with the numerator 1 called?

A unit fraction is a rational number written as a fraction where the numerator is one and the denominator is a positive integer. A unit fraction is therefore the reciprocal of a positive integer, 1/n.