It means dividing the numerator and denominator of the fraction by their greatest common factor.
The answer depends on what it is meant to be a fraction of.
Simplifying the fraction.
76.3125 as a fraction = 763125/10000 reducing to 1221/16
When reducing a fraction, find the GCF of the numerator and denominator and divide them both by it. If the GCF is 1, the fraction is already in its simplest form.
1whole
By reducing it to its lowest terms which will be when the HCF of the numerator and denominator is 1
fractionaly removal of the water
Reducing the fraction 9/27 is finding the highest common factor (HCF) of 9 and 27 and dividing both of them by the HCF.
Expanding fractions
7/10
If it is an Improper Fraction then you have to simplify which is the same thing is reducing.
The answer depends on what it is meant to be a fraction of.