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You can be sure only if it is not a top heavy fraction.

For example, 12/3 has a composite numerator and a prime denominator. But its simplest from is 4.

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9y ago
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7y ago

Not necessarily.

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Q: When having a fraction the composite number the numerator and a prime number the denominator is it simplest form?
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Related questions

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.


A fraction is reduced to its simplest form when the numerator?

For a fraction to be in its simplest form, numerator and denominator must have no common factor.


When the numerator and the denominator have only the number 1 as a common factor?

Yes. When the numerator and denominator have a GCF of 1, the fraction is in the simplest form. To simplify, find the GCF and divide both numerator and denominator by the same: Example: simplify 30/40 30/40 divided by 10/10 (1) = 3/4


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.


What is the numerator and the denominator of a fraction in simplest form that is equivalent to 0.941941?

Numerator = 941941 Denominator = 1000000.


What is in simplest form when GCF of the numerator and denominator is 1?

Any fraction is in simplest form when its numerator and denominator have a GCF of 1.


What is the form of a fraction when the greatest common factor of the numerator and the denominator is one?

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


How do you figure simplest forms of fractions?

If the numerator and denominator of a fraction have a common factor (except for '1'), divide both numerator and denominator by their common factor. The fraction is in the simplest form when the numerator and denominator have no common factors.


What is a fraction that has no common factors in the numerator or the denominator?

If the numerator and denominator are prime numbers and not equal then they don't have common factors (except 1 which would be a common factor even if the numerator and denominator were prime numbers).


Is a fraction with the numerator and denominator have the Greatest Common Factor of 1?

A fraction where the numerator and denominator have a GCF of 1 is said to be in its simplest form.


When the GCF of the numerator and the denominator of a fraction is 1?

The fraction is in its simplest form.


How do you put a fraction in to simplest form?

You put a fraction in simplest form by dividing the numerator and denominator by their greatest common factor. If the either the numerator or denominator is a prime number, the fraction cannot be simplified.