GCF of 14/81, 84/86, 20/859
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 14/81, 84/86, 20/859 i.e 2/5983794 easily. The following is the detailed procedure to determine the greatest common factor of fractions 14/81, 84/86, 20/859.
Enter two or more fractions separated by "commas"
Ex: 2/3, 5/7 or 3/5, 5/9, 7/3
What is the GCF of 14/81,84/86,20/859?
Given fractions are 14/81,84/86,20/859
To find the GCF of fractions, we have to find the GCF of numerator numbers and LCM of denominator numbers. Its formula is given by
GCF of Fraction = Greatest Common Factor of Numerator/Least Common Multiple of Denominators
In the fractions 14/81,84/86,20/859, numerators are 14,84,20
Denominators are 81,86,859
The GCF of 14,84,20 is 2 .
LCM of 81,86,859 is 5983794.
The greatest common factor of 14/81,84/86,20/859 = [GCF of 14,84,20]/[LCM of 81,86,859]= 2/5983794
Therefore, the GCF of 14/81,84/86,20/859 is 2/5983794.
To find the highest common factor of 14,84,20, we have to find the factors of both numbers and list the highest common factor.
The factors of 14 are 1, 2, 7, 14
The factors of 84 are 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84
The factors of 20 are 1, 2, 4, 5, 10, 20
The HCF of 14,84,20 is 2.
Lets's calculate GCF of 14,84,20
| 2 | 14, 84, 20 |
| 7, 42, 10 |
∴ So the GCF of the given numbers is 2 = 2
Greatest Common Factor of 14,84,20 By Matching Biggest Common Factor Method
Now, list down the factors of 14
:1,2,7,14
Now, list down the factors of 84
:1,2,3,4,6,7,12,14,21,28,42,84
Now, list down the factors of 20
:1,2,4,5,10,20
Greatest Common Factor
We found the factors 14,84,20 . The biggest common factor number is the GCF number.
So the greatest common factor 14,84,20 is 2.
Lets's calculate LCM of 81,86,859
Given numbers has no common factors except 1. So, there LCM is their product i.e 5983794
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 2/5983794
Therefore, the GCF of Fractions 14/81,84/86,20/859 is 2/5983794
Least Common Multiple of 81,86,859 with GCF Formula
The formula of LCM is LCM(a1,a2,a3....,an) = ( a1 × a2 × a3 × .... × an) / GCF(a1,a2,a3....,an) x common factors(if more than 2 numbers have common factors).
We need to calculate greatest common factor of 81,86,859 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(81,86,859) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(81,86,859) x common factors =1 x 1 = 1
LCM(81,86,859) = ( 81 × 86 × 859 ) / 1
LCM(81,86,859) = 5983794 / 1
LCM(81,86,859) = 5983794
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FAQs on GCF of Fractions of 14/81, 84/86, 20/859
1. What is the HCF of 14,84,20?
The HCF of 14,84,20 is 2
2. What is the GCF of a fraction?
The GCF of a fraction is defined as the greatest fraction that divides exactly into 2 or more fractions.
3. How to find GCF in Fractions?
Answer: GCF of fractions can be found using the simple formula GCF of Fractions = GCF of Numerators/LCM of Denominators.
4. What is the GCF of Fractions for 14/81, 84/86, 20/859?
Answer: GCF of Numerators as per given numbers 14/81, 84/86, 20/859 is
GCF of Numerators i.e. for 14,84,20 is 2
LCM of denominators i.e. for 81,86,859 is 5983794.
Thus, GCF of Fractions is 2/5983794.Finally, GCF of Fractions for 14/81, 84/86, 20/859 is 2/5983794.