If the numerator is a factor of the denominator, the GCF of the two will be the numerator.
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When the GCF of the numerator and the denominator is 1, the fraction is written in its simplest form.
a fraction that has a numerator equal to the denominator is one: a fraction who's numerator is greater that the denominator is an improper fraction.
When a the GCF of the numerator and denominator of a fraction is 1, the fraction is in its simplest form.
It is equal to 1
To simplify a fraction, find the GCF of the numerator and the denominator and divide them both by it. If the GCF is 1, the fraction is in its simplest form.