What is 21/80 Simplified to Simplest Form?

Fraction Simplifier Calculator

What is 21/80 Simplified?

Answer: Fraction 21/80 simplified to lowest terms is 21/80

21

/

80

=

21

/

80

The fraction 21/80 is already in the simplest form, so it isn't possible to reduce it any further - numerator 21 and denominator 80 have no common factors other than 1 (one)

Simplifying Fraction 21/80 using GCF

The first way to simplify the fraction 21/80 is to use the Greatest Common Factor (GCF) of our numerator [21] and denominator [80].

GCF of 21 and 80 is 1

And then divide both the numerator [21] and denominator [80] by the GCF [1].

21 ÷ 1

/

80 ÷ 1

=

21

/

80

Simplifying Fraction 21/80 using Prime Factors

Another method to reduce the fraction 21/80 to its simplest form is to use the Prime Factors of numerator [21] and denominator [80].

Prime Factors of 21: 3,7

Prime Factors of 80: 2,2,2,2,5

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

3 × 7

/

2 × 2 × 2 × 2 × 5

=

21

/

80

Simplifying Fraction 21/80 by Dividing by the Smallest Possible Number

In order to simplify our fraction we can start dividing both the numerator [21] and denominator [80] 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 (21/80) there is no possible numbers to divide our numerator and denominator.

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What is 21/80 as a percent?

Fraction Simplification Table

Fraction	Lowest Terms
21/65	21/65
21/66	7/22
21/67	21/67
21/68	21/68
21/69	7/23
21/70	3/10
21/71	21/71
21/72	7/24
21/73	21/73
21/74	21/74
21/75	7/25
21/76	21/76
21/77	3/11
21/78	7/26
21/79	21/79
21/80	21/80
21/81	7/27
21/82	21/82
21/83	21/83
21/84	1/4 (¼)
21/85	21/85
21/86	21/86
21/87	7/29
21/88	21/88
21/89	21/89
21/90	7/30
21/91	3/13
21/92	21/92
21/93	7/31
21/94	21/94

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 21/80 Simplified? (The answer is: 21/80). Enter the fraction (numerator and denominator) (e.g. '21/80') and hit the 'Simplify' button.

Simplifying a fraction, (e.g. 21/80) 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).

21/80 Simplified