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

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

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simplest form

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

When the numerator and denominator are relatively prime.

It is a top heavy fraction in which the numerator and denominator are co-prime.

A proper fraction with the numerator and denominator going to make a product of 119 is 7/17.

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simplest form

It is a fraction in which the numerator and the 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.

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

2/2

When the numerator and denominator are relatively prime.

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

It is 2/3.

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.

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.

The fraction is said to be in its simplest form.

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