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Q: What is factors to the numerator and denominator?

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They always have a numerator but, if they are integers, the may not have a denominator.

If the numerator and the denominator have no common factors other than one, the fraction is already in its simplest form.

You look for common factors in the numerator and the denominator, then divide both the numerator and the denominator by that common factor.

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).

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.

If a fraction's numerator and denominator have no factors other than one in common, the fraction cannot be simplified except if the denominator is 1, in which case the fraction can be simplified to the whole number of the numerator.

A fraction has a numerator and a denominator.

Where the numerator and denominator have no further common factors

lowest terms / simplest form

1 and 2

The fraction is in its simplest form.

you switch the numerator with the denominator then multiply the numerator first then the denominator.

The same numerator as which numerator and the same denominator as which denominator?

numerator by numerator, denominator by denominator

This isn't a question. But, if you are asking if you can reduce a fraction when the numerator and denominator have no common factors, the answer is no.

3/35 is the simplest form. Why? Numerator factors: 3. Denominator factors: 5 and 7. None of the numerator and denominator factors are the same and therefore cannot cancel each other out.

"The numerator and denominator are known as the fraction bar.”

When both numerator and denominator have only factors of one

simplest form

yes

That's a fraction in simplest form.

The simple way: multiply the numerators to get the numerator, multiply the denominators to get the denominator. To get the preferred answer cancel common factors in the new numerator and denominator. But this can be tricky.

Fractions can be simplified when the numerator and denominator have a common factor in them. If both the numerator and denominator have common factors, then we can cancel these factors out. So the simplest for of 18/56 is 9/28.

That is correct. It is easier to simplify the fraction before multiplying all the factors in the numerator and the denominator.That is correct. It is easier to simplify the fraction before multiplying all the factors in the numerator and the denominator.That is correct. It is easier to simplify the fraction before multiplying all the factors in the numerator and the denominator.That is correct. It is easier to simplify the fraction before multiplying all the factors in the numerator and the denominator.

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.