420/455 Simplified

The first way to simplify the fraction 420/455 is to use the Greatest Common Factor (GCF) of our numerator [420] and denominator [455].

GCF of 420 and 455 is 35

And then divide both the numerator [420] and denominator [455] by the GCF [35].

Another method to reduce the fraction 420/455 to its simplest form is to use the Prime Factors of numerator [420] and denominator [455].

Now we can write down a new fraction expressed by its Prime Factors and cancel common factors in numerator and denominator:

In order to simplify our fraction we can start dividing both the numerator [420] and denominator [455] by the smallest possible number (2,3,4,5... and so on), and repeat this until it is impossible to divide without a reminder.