The simplest forms of two equivalent fractions will be equal.
If there are two equivalent fractions, then their simplest forms are equal.
For example, consider 4560 and 1520. These are equivalent fractions.
Note that 4560 = 45÷1560÷15 =34 and 1520 = 15÷520÷5 = 34.
We see that the simplest form of both the fractions is the same and it is 34.