GCF of 100/647, 3870/756
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 100/647, 3870/756 i.e 10/489132 easily. The following is the detailed procedure to determine the greatest common factor of fractions 100/647, 3870/756.
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 100/647,3870/756?
Given fractions are 100/647,3870/756
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 100/647,3870/756, numerators are 100,3870
Denominators are 647,756
The GCF of 100,3870 is 10 .
LCM of 647,756 is 489132.
The greatest common factor of 100/647,3870/756 = [GCF of 100,3870]/[LCM of 647,756]= 10/489132
Therefore, the GCF of 100/647,3870/756 is 10/489132.
To find the highest common factor of 100,3870, we have to find the factors of both numbers and list the highest common factor.
The factors of 100 are 1, 2, 4, 5, 10, 20, 25, 50, 100
The factors of 3870 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870
The HCF of 100,3870 is 10.
Lets's calculate GCF of 100,3870
| 2 | 100, 3870 |
| 5 | 50, 1935 |
| 10, 387 |
∴ So the GCF of the given numbers is 2 x 5 = 10
Greatest Common Factor of 100,3870 By Matching Biggest Common Factor Method
Now, list down the factors of 100
:1,2,4,5,10,20,25,50,100
Now, list down the factors of 3870
:1,2,3,5,6,9,10,15,18,30,43,45,86,90,129,215,258,387,430,645,774,1290,1935,3870
Greatest Common Factor
We found the factors 100,3870 . The biggest common factor number is the GCF number.
So the greatest common factor 100,3870 is 10.
Lets's calculate LCM of 647,756
Given numbers has no common factors except 1. So, there LCM is their product i.e 489132
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 10/489132
Therefore, the GCF of Fractions 100/647,3870/756 is 10/489132
Least Common Multiple of 647,756 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 647,756 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(647,756) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(647,756) x common factors =1 x 1 = 1
LCM(647,756) = ( 647 × 756 ) / 1
LCM(647,756) = 489132 / 1
LCM(647,756) = 489132
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FAQs on GCF of Fractions of 100/647, 3870/756
1. What is the HCF of 100,3870?
The HCF of 100,3870 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 100/647, 3870/756?
Answer: GCF of Numerators as per given numbers 100/647, 3870/756 is
GCF of Numerators i.e. for 100,3870 is 10
LCM of denominators i.e. for 647,756 is 489132.
Thus, GCF of Fractions is 10/489132.Finally, GCF of Fractions for 100/647, 3870/756 is 10/489132.