21/20 Simplified
What is 21/20 Simplified?
The fraction 21/20 is already in the simplest form, so it isn't possible to reduce it any further - numerator 21 and denominator 20 have no common factors other than 1 (one)
Since the numerator [21] is greater than the denominator [20] of the fraction (it's called an improper fraction), so we can convert it into a mixed fraction with a whole number:
Simplifying Fraction 21/20 using GCF
The first way to simplify the fraction 21/20 is to use the Greatest Common Factor (GCF) of our numerator [21] and denominator [20].
GCF of 21 and 20 is 1
And then divide both the numerator [21] and denominator [20] by the GCF [1].
Simplifying Fraction 21/20 using Prime Factors
Another method to reduce the fraction 21/20 to its simplest form is to use the Prime Factors of numerator [21] and denominator [20].
Prime Factors of 21: 3,7
Prime Factors of 20: 2,2,5
Now we can write down a new fraction expressed by its Prime Factors and cancel common factors in numerator and denominator:
Simplifying Fraction 21/20 by Dividing by the Smallest Possible Number
In order to simplify our fraction we can start dividing both the numerator [21] and denominator [20] by the smallest possible number (2,3,4,5... and so on), and repeat this until it is impossible to divide without a reminder.
In our case (21/20) there is no possible numbers to divide our numerator and denominator.
Related Calculations
<a href="https://calculat.io/en/number/fraction-simplified/21--20">What is 21/20 Simplified to Simplest Form? - Calculatio</a>