What is 42/20 Simplified to Simplest Form?

Fraction Simplifier Calculator

What is 42/20 Simplified?

Answer: Fraction 42/20 simplified to lowest terms is 21/10

42

/

20

=

21

/

10

21/10 is the simplified fraction of 42/20.

Since the numerator [42] is greater than the denominator [20] of the fraction (it's called an improper fraction), so we can convert it into a mixed fraction with a whole number:

21

/

10

=2

1

/

10

Simplifying Fraction 42/20 using GCF

The first way to simplify the fraction 42/20 is to use the Greatest Common Factor (GCF) of our numerator [42] and denominator [20].

GCF of 42 and 20 is 2

And then divide both the numerator [42] and denominator [20] by the GCF [2].

42 ÷ 2

/

20 ÷ 2

=

21

/

10

Simplifying Fraction 42/20 using Prime Factors

Another method to reduce the fraction 42/20 to its simplest form is to use the Prime Factors of numerator [42] and denominator [20].

Prime Factors of 42: 2,3,7

Prime Factors of 20: 2,2,5

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

2 × 3 × 7

/

2 × 2 × 5

=

21

/

10

Simplifying Fraction 42/20 by Dividing by the Smallest Possible Number

In order to simplify our fraction we can start dividing both the numerator [42] and denominator [20] by the smallest possible number (2,3,4,5... and so on), and repeat this until it is impossible to divide without a reminder.

42 ÷ 2

/

20 ÷ 2

=

21

/

10

Fraction Simplification Table

Fraction	Lowest Terms
42/5	42/5
42/6	7/1
42/7	6/1
42/8	21/4
42/9	14/3
42/10	21/5
42/11	42/11
42/12	7/2
42/13	42/13
42/14	3/1
42/15	14/5
42/16	21/8
42/17	42/17
42/18	7/3
42/19	42/19
42/20	21/10
42/21	2/1
42/22	21/11
42/23	42/23
42/24	7/4
42/25	42/25
42/26	21/13
42/27	14/9
42/28	3/2
42/29	42/29
42/30	7/5
42/31	42/31
42/32	21/16
42/33	14/11
42/34	21/17

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 42/20 Simplified? (The answer is: 21/10). Enter the fraction (numerator and denominator) (e.g. '42/20') and hit the 'Simplify' button.

Simplifying a fraction, (e.g. 42/20) 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).

42/20 Simplified