GCF of 20/891, 30/751, 980/956
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 20/891, 30/751, 980/956 i.e 10/639698796 easily. The following is the detailed procedure to determine the greatest common factor of fractions 20/891, 30/751, 980/956.
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 20/891,30/751,980/956?
Given fractions are 20/891,30/751,980/956
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 20/891,30/751,980/956, numerators are 20,30,980
Denominators are 891,751,956
The GCF of 20,30,980 is 10 .
LCM of 891,751,956 is 639698796.
The greatest common factor of 20/891,30/751,980/956 = [GCF of 20,30,980]/[LCM of 891,751,956]= 10/639698796
Therefore, the GCF of 20/891,30/751,980/956 is 10/639698796.
To find the highest common factor of 20,30,980, we have to find the factors of both numbers and list the highest common factor.
The factors of 20 are 1, 2, 4, 5, 10, 20
The factors of 30 are 1, 2, 3, 5, 6, 10, 15, 30
The factors of 980 are 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980
The HCF of 20,30,980 is 10.
Lets's calculate GCF of 20,30,980
| 2 | 20, 30, 980 |
| 5 | 10, 15, 490 |
| 2, 3, 98 |
∴ So the GCF of the given numbers is 2 x 5 = 10
Greatest Common Factor of 20,30,980 By Matching Biggest Common Factor Method
Now, list down the factors of 20
:1,2,4,5,10,20
Now, list down the factors of 30
:1,2,3,5,6,10,15,30
Now, list down the factors of 980
:1,2,4,5,7,10,14,20,28,35,49,70,98,140,196,245,490,980
Greatest Common Factor
We found the factors 20,30,980 . The biggest common factor number is the GCF number.
So the greatest common factor 20,30,980 is 10.
Lets's calculate LCM of 891,751,956
Given numbers has no common factors except 1. So, there LCM is their product i.e 639698796
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 10/639698796
Therefore, the GCF of Fractions 20/891,30/751,980/956 is 10/639698796
Least Common Multiple of 891,751,956 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 891,751,956 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(891,751,956) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(891,751,956) x common factors =1 x 1 = 1
LCM(891,751,956) = ( 891 × 751 × 956 ) / 1
LCM(891,751,956) = 639698796 / 1
LCM(891,751,956) = 639698796
GCF of Fractions Calculation Examples
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FAQs on GCF of Fractions of 20/891, 30/751, 980/956
1. What is the HCF of 20,30,980?
The HCF of 20,30,980 is 10
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 20/891, 30/751, 980/956?
Answer: GCF of Numerators as per given numbers 20/891, 30/751, 980/956 is
GCF of Numerators i.e. for 20,30,980 is 10
LCM of denominators i.e. for 891,751,956 is 639698796.
Thus, GCF of Fractions is 10/639698796.Finally, GCF of Fractions for 20/891, 30/751, 980/956 is 10/639698796.