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When they have no factor in common, or their HCF is 1.

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Q: When the numerator and denominator of a fraction are relatively prime?
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Related questions

When a numerator and its denominator are relatively prime a fraction is in what?

simplest form


What is simplest form in fractoins?

It is a fraction in which the numerator and the denominator are relatively prime.


What is a fraction when it's numerator and it's denominator are relatively prime?

As the numerator and denominator don't have any common factors then the fraction is in its simplest form. If they weren't relatively prime then there would be a common factor and therefore the fraction could be simplified.


If the numerator of a fraction is a prime number can the fraction be simplied?

Yes, if the denominator is a multiple of the numerator. No, if not.


Your numerator and denominator are prime number the sum of your numerator and denominator is 4 what fraction are you?

2/2


Fourth grade math how do you know a fraction is in simplest form my sister's homework problem?

When the numerator and denominator are relatively prime.


How is 1.34 as a fraction?

134/100 or 67/50. The second one is in simplest form since the numerator and denominator are relatively prime.


What is a fraction who's numerator is one less that it's denominator and both the numerator and denominator are prime numbers?

It is 2/3.


If the numerator and denominator of a fraction are prime numbers is the fraction in simplest form and why?

Yes. If the numerator and denominator of a fraction are prime, the fraction is in simplest form. The reason is that each number has only two factors, 1 and the number itself. For that reason, it is not possible for the numerator and denominator to have any factors (other than 1) in common.


What the top of the number of a fraction?

The top number of a fraction is the numerator. The bottom number is the denominator. In the fraction 1/5, the number 1 is the numerator, and the number 5 is the denominator.


What is a fraction when it's numerator and it denominator are relitively prime?

The fraction is said to be in its simplest form.


Is a fraction that has been simplified to its smallest form?

A fraction in which the numerator and denominator are co-prime.