21/1 Simplified

Fraction Simplifier Calculator

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What is 21/1 Simplified?

Answer: Fraction 21/1 simplified to lowest terms is 21/1
21
/
1

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

Since the numerator [21] is greater than the denominator [1] and numerator is a multiple of the denominator, so we can convert it into a whole number:

21
/
1
=21

Simplifying Fraction 21/1 using GCF

The first way to simplify the fraction 21/1 is to use the Greatest Common Factor (GCF) of our numerator [21] and denominator [1].

GCF of 21 and 1 is 1

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

21 ÷ 1
/
1 ÷ 1
=
21
/
1

Simplifying Fraction 21/1 using Prime Factors

Another method to reduce the fraction 21/1 to its simplest form is to use the Prime Factors of numerator [21] and denominator [1].

Prime Factors of 21: 3,7

Prime Factors of 1: 1

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

3 × 7
/
1
=
21
/
1

Simplifying Fraction 21/1 by Dividing by the Smallest Possible Number

In order to simplify our fraction we can start dividing both the numerator [21] and denominator [1] 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 (21/1) there is no possible numbers to divide our numerator and denominator.

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Fraction Simplification Table

FractionLowest Terms
21/121/1
21/221/2
21/37/1
21/421/4
21/521/5
21/67/2
21/73/1
21/821/8
21/97/3
21/1021/10
21/1121/11
21/127/4
21/1321/13
21/143/2
21/157/5
21/1621/16
21/1721/17
21/187/6
21/1921/19
21/2021/20
21/211/1
21/2221/22
21/2321/23
21/247/8 (⅞)
21/2521/25
21/2621/26
21/277/9
21/283/4 (¾)
21/2921/29
21/307/10

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 21/1 Simplified? (The answer is: 21/1). Enter the fraction (numerator and denominator) (e.g. '21/1') and hit the 'Simplify' button.
Simplifying a fraction, (e.g. 21/1) 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).

Fraction Simplifier Calculator

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FAQ

What is 21/1 Simplified?

Fraction 21/1 simplified to lowest terms is 21/1

See Also