What is 81/9 Simplified to Simplest Form?

Simplifying Fraction 81/9 using GCF

The first way to simplify the fraction 81/9 is to use the Greatest Common Factor (GCF) of our numerator [81] and denominator [9].

GCF of 81 and 9 is 9

And then divide both the numerator [81] and denominator [9] by the GCF [9].

81 ÷ 9

/

9 ÷ 9

=

9

/

1

Simplifying Fraction 81/9 using Prime Factors

Another method to reduce the fraction 81/9 to its simplest form is to use the Prime Factors of numerator [81] and denominator [9].

Prime Factors of 81: 3,3,3,3

Prime Factors of 9: 3,3

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

3 × 3 × 3 × 3

/

3 × 3

=

9

/

1

Simplifying Fraction 81/9 by Dividing by the Smallest Possible Number

In order to simplify our fraction we can start dividing both the numerator [81] and denominator [9] by the smallest possible number (2,3,4,5... and so on), and repeat this until it is impossible to divide without a reminder.

81 ÷ 3

/

9 ÷ 3

=

27

/

3

27 ÷ 3

/

3 ÷ 3

=

9

/

1

Related Calculations

Fraction Simplification Table

Fraction	Lowest Terms
81/1	81/1
81/2	81/2
81/3	27/1
81/4	81/4
81/5	81/5
81/6	27/2
81/7	81/7
81/8	81/8
81/9	9/1
81/10	81/10
81/11	81/11
81/12	27/4
81/13	81/13
81/14	81/14
81/15	27/5
81/16	81/16
81/17	81/17
81/18	9/2
81/19	81/19
81/20	81/20
81/21	27/7
81/22	81/22
81/23	81/23
81/24	27/8
81/25	81/25
81/26	81/26
81/27	3/1
81/28	81/28
81/29	81/29
81/30	27/10

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 81/9 Simplified? (The answer is: 9/1). Enter the fraction (numerator and denominator) (e.g. '81/9') and hit the 'Simplify' button.

Simplifying a fraction, (e.g. 81/9) 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).

81/9 Simplified