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# What kind of number that cannot be written with an integer numerator and nonzero integer denominator called in math?

Updated: 9/18/2023

Wiki User

13y ago

This kind of number is called "irrational", meaning (to a mathematician!) "not a ratio."

Wiki User

13y ago

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Q: What kind of number that cannot be written with an integer numerator and nonzero integer denominator called in math?
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### What are numbers that can be written as fractions?

If the numerator and the denominator is an integer, then it is also called a "rational number".

### What forms can a rational number be in?

All rational numbers can be written as one integer (the numerator) over another integer (the denominator). If the numerator is less than the denominator, it is a vulgar (or common) fraction. If the denominator is 1, then only the numerator may be written in which case it may take the form of a whole number, eg 5/1 can also be written as 5. If the numerator equals the denominator, the fraction can be simplified to 1/1 which would be written as the whole number 1. If the numerator is greater than the denominator, then it is an improper (or top heavy) fraction and can be written as a mixed number which is a whole number along with a proper fraction (with the original denominator), eg 5/3 can also be written as 12/3 The denominator can be any non-zero integer, ie zero is not allowed to be the denominator of any fraction.

### How do you simplify a fraction when the numerator and denominator is the same number?

If the numerator and denominator are the same then their GCF is also the same number. So the fraction can be written, it is simplest form as the integer, 1.

### How do you simplify a fraction numerator and denominator the same number?

If the numerator and denominator are the same then their GCF is also the same number. So the fraction can be written, it is simplest form as the integer, 1.

### 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.

### What is the number written above the line in a fraction?

That would be the numerator. The numerator is above the denominator. The numerator divided by the denominator would be equal to the quotient. So, numerator/denominator = quotient

### What are the rational numbers between .13 and .14 that can be written with a numerator of 3 and an integer in the denominator?

There are only two of them: 3/22 and 3/23

### How do you define irrational numbers?

Quite simply, a number that is not a rational number. And a rational number is one that can be written as a fraction, with integer numerator and denominator.

### What is a fraction in which the GCF of the numerator and the denominator is 1 is written?

When the GCF of the numerator and the denominator is 1, the fraction is written in its simplest form.

### When a fraction is written in simplest form when a denominator and numerator is 1?

A fraction is in its simplest form when the GCF of the numerator and the denominator is 1.

### What is 347 written has a fraction?

347 is an integer and not a fraction. However, it can be expressed in rational form as 347/1. You can then calculate equivalent rational fractions if you multiply both, its numerator and denominator, by any non-zero integer.

### What is 325 written as a fraction?

325 is an integer and not a fraction. However, it can be expressed in rational form as 325/1. You can then calculate equivalent rational fractions if you multiply both, its numerator and denominator, by any non-zero integer.