12/21 Simplified

What is 12/21 Simplified?

Answer: Fraction 12/21 simplified to lowest terms is 4/7
12
/
21
=
4
/
7

4/7 is the simplified fraction of 12/21.

Simplifying Fraction 12/21 using GCF

The first way to simplify the fraction 12/21 is to use the Greatest Common Factor (GCF) of our numerator [12] and denominator [21].

GCF of 12 and 21 is 3

And then divide both the numerator [12] and denominator [21] by the GCF [3].

12 ÷ 3
/
21 ÷ 3
=
4
/
7

Simplifying Fraction 12/21 using Prime Factors

Another method to reduce the fraction 12/21 to its simplest form is to use the Prime Factors of numerator [12] and denominator [21].

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

2 × 2 × 3
/
3 × 7
=
4
/
7

Simplifying Fraction 12/21 by Dividing by the Smallest Possible Number

In order to simplify our fraction we can start dividing both the numerator [12] and denominator [21] by the smallest possible number (2,3,4,5... and so on), and repeat this until it is impossible to divide without a reminder.

12 ÷ 3
/
21 ÷ 3
=
4
/
7

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 12/21 Simplified? (The answer is: 4/7). Enter the fraction (numerator and denominator) (e.g. '12/21') and hit the 'Simplify' button.
Simplifying a fraction, (e.g. 12/21) 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 12/21 Simplified?

Fraction 12/21 simplified to lowest terms is 4/7