scaling up
It is simplification.
It could be simplifying the fraction.
It is called reducing or simplifying the fraction.
To divide the numerator and the denominator of a ratio by the same factor means to simplify or reduce the ratio. This is done by dividing both numbers in the ratio by their greatest common factor, which results in an equivalent ratio.
It means that the previous fraction was not in its lowest terms.
The numerator on the left side by the denominator on the rigth side, and the denominator on the left side by the numerator on the rigth side.
It is simplification.
It is simplifying the ratio.
It could be simplifying the fraction.
That then means that the fraction is in its simplest form.
The phrase in the question does not mean anything!
It means dividing the numerator and denominator of the fraction by their greatest common factor.
It is called reducing or simplifying the fraction.
To divide the numerator and the denominator of a ratio by the same factor means to simplify or reduce the ratio. This is done by dividing both numbers in the ratio by their greatest common factor, which results in an equivalent ratio.
It means that the previous fraction was not in its lowest terms.
It gives an equivalent ratio is a simpler form.
Nothing, there is no change, since you are multiplying by 9/9 = 1.