21/13 Simplified

What is 21/13 Simplified?

Answer: Fraction 21/13 simplified to lowest terms is 21/13
21
/
13

The fraction 21/13 is already in the simplest form, so it isn't possible to reduce it any further - numerator 21 and denominator 13 have no common factors other than 1 (one)

Since the numerator [21] is greater than the denominator [13] of the fraction (it's called an improper fraction), so we can convert it into a mixed fraction with a whole number:

21
/
13
=1
8
/
13

Simplifying Fraction 21/13 using GCF

The first way to simplify the fraction 21/13 is to use the Greatest Common Factor (GCF) of our numerator [21] and denominator [13].

GCF of 21 and 13 is 1

And then divide both the numerator [21] and denominator [13] by the GCF [1].

21 ÷ 1
/
13 ÷ 1
=
21
/
13

Simplifying Fraction 21/13 using Prime Factors

Another method to reduce the fraction 21/13 to its simplest form is to use the Prime Factors of numerator [21] and denominator [13].

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

3 × 7
/
13
=
21
/
13

Simplifying Fraction 21/13 by Dividing by the Smallest Possible Number

In order to simplify our fraction we can start dividing both the numerator [21] and denominator [13] 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 (21/13) there is no possible numbers to divide our numerator and denominator.

See Also

Fraction Simplifier Calculator

This calculator will help you to simplify any fraction to its simplest form. For example, it can help you find out what is 21/13 Simplified? (The answer is: 21/13). Enter the fraction (numerator and denominator) (e.g. '21/13') and hit the 'Simplify' button.
Simplifying a fraction, (e.g. 21/13) means reducing it to its simplest form. A fraction is considered simplified if its numerator and denominator have no common factors other than 1 (one).

FAQ

What is 21/13 Simplified?

Fraction 21/13 simplified to lowest terms is 21/13