81/420 Simplified

What is 81/420 Simplified?

Answer: Fraction 81/420 simplified to lowest terms is 27/140
81
/
420
=
27
/
140

27/140 is the simplified fraction of 81/420.

Simplifying Fraction 81/420 using GCF

The first way to simplify the fraction 81/420 is to use the Greatest Common Factor (GCF) of our numerator [81] and denominator [420].

GCF of 81 and 420 is 3

And then divide both the numerator [81] and denominator [420] by the GCF [3].

81 ÷ 3
/
420 ÷ 3
=
27
/
140

Simplifying Fraction 81/420 using Prime Factors

Another method to reduce the fraction 81/420 to its simplest form is to use the Prime Factors of numerator [81] and denominator [420].

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 × 2 × 3 × 5 × 7
=
27
/
140

Simplifying Fraction 81/420 by Dividing by the Smallest Possible Number

In order to simplify our fraction we can start dividing both the numerator [81] and denominator [420] 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
/
420 ÷ 3
=
27
/
140

See Also

Fraction Simplification Table

FractionLowest Terms
81/405
81/40681/406
81/40781/407
81/40827/136
81/40981/409
81/41081/410
81/41127/137
81/41281/412
81/41381/413
81/4149/46
81/41581/415
81/41681/416
81/41727/139
81/41881/418
81/41981/419
27/140
81/42181/421
81/42281/422
81/4239/47
81/42481/424
81/42581/425
81/42627/142
81/42781/427
81/42881/428
81/42927/143
81/43081/430
81/43181/431
81/432
81/43381/433
81/43481/434

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 81/420 Simplified? (The answer is: 27/140). Enter the fraction (numerator and denominator) (e.g. '81/420') and hit the 'Simplify' button.
Simplifying a fraction, (e.g. 81/420) 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).

FAQ

What is 81/420 Simplified?

Fraction 81/420 simplified to lowest terms is 27/140