What is 81/90 Simplified to Simplest Form?

Fraction Simplifier Calculator

What is 81/90 Simplified?

Answer: Fraction 81/90 simplified to lowest terms is 9/10

81

/

90

=

9

/

10

9/10 is the simplified fraction of 81/90.

Simplifying Fraction 81/90 using GCF

The first way to simplify the fraction 81/90 is to use the Greatest Common Factor (GCF) of our numerator [81] and denominator [90].

GCF of 81 and 90 is 9

And then divide both the numerator [81] and denominator [90] by the GCF [9].

81 ÷ 9

/

90 ÷ 9

=

9

/

10

Simplifying Fraction 81/90 using Prime Factors

Another method to reduce the fraction 81/90 to its simplest form is to use the Prime Factors of numerator [81] and denominator [90].

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

Prime Factors of 90: 2,3,3,5

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

/

2 × 3 × 3 × 5

=

9

/

10

Simplifying Fraction 81/90 by Dividing by the Smallest Possible Number

In order to simplify our fraction we can start dividing both the numerator [81] and denominator [90] 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

/

90 ÷ 3

=

27

/

30

27 ÷ 3

/

30 ÷ 3

=

9

/

10

Related Calculations

What is 81/90 as a percent?

Fraction Simplification Table

Fraction	Lowest Terms
81/75	27/25
81/76	81/76
81/77	81/77
81/78	27/26
81/79	81/79
81/80	81/80
81/81	1/1
81/82	81/82
81/83	81/83
81/84	27/28
81/85	81/85
81/86	81/86
81/87	27/29
81/88	81/88
81/89	81/89
81/90	9/10
81/91	81/91
81/92	81/92
81/93	27/31
81/94	81/94
81/95	81/95
81/96	27/32
81/97	81/97
81/98	81/98
81/99	9/11
81/100	81/100
81/101	81/101
81/102	27/34
81/103	81/103
81/104	81/104

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 81/90 Simplified? (The answer is: 9/10). Enter the fraction (numerator and denominator) (e.g. '81/90') and hit the 'Simplify' button.

Simplifying a fraction, (e.g. 81/90) 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).

81/90 Simplified