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

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2/3

No. To simplify a fraction the numerator and denominator must have a common factor greater than 1.

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

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.

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

2/2

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).

No, prime refers to whole numbers. In the situation you describe, a fraction is in its simplest form.

simplest form

Their GCF is 1.

To simplify a fraction, the numerator and denominator must both be divisible by the same number (factor).Divide the numerator and the denominator by their GCF (greatest common factor). For example, to simplify the fraction 14/49, divide the numerator and the denominator by 7 to obtain the simplified fraction 2/7.In the simplest form of a fraction, the numerator and denominator are relatively prime or co-prime, i.e. they have no common prime factors, their GCF is 1.

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.

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