GCF of 864/38, 390/947
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 864/38, 390/947 i.e 6/35986 easily. The following is the detailed procedure to determine the greatest common factor of fractions 864/38, 390/947.
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 864/38,390/947?
Given fractions are 864/38,390/947
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 864/38,390/947, numerators are 864,390
Denominators are 38,947
The GCF of 864,390 is 6 .
LCM of 38,947 is 35986.
The greatest common factor of 864/38,390/947 = [GCF of 864,390]/[LCM of 38,947]= 6/35986
Therefore, the GCF of 864/38,390/947 is 6/35986.
To find the highest common factor of 864,390, we have to find the factors of both numbers and list the highest common factor.
The factors of 864 are 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 432, 864
The factors of 390 are 1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390
The HCF of 864,390 is 6.
Lets's calculate GCF of 864,390
| 2 | 864, 390 |
| 3 | 432, 195 |
| 144, 65 |
∴ So the GCF of the given numbers is 2 x 3 = 6
Greatest Common Factor of 864,390 By Matching Biggest Common Factor Method
Now, list down the factors of 864
:1,2,3,4,6,8,9,12,16,18,24,27,32,36,48,54,72,96,108,144,216,288,432,864
Now, list down the factors of 390
:1,2,3,5,6,10,13,15,26,30,39,65,78,130,195,390
Greatest Common Factor
We found the factors 864,390 . The biggest common factor number is the GCF number.
So the greatest common factor 864,390 is 6.
Lets's calculate LCM of 38,947
Given numbers has no common factors except 1. So, there LCM is their product i.e 35986
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 6/35986
Therefore, the GCF of Fractions 864/38,390/947 is 6/35986
Least Common Multiple of 38,947 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 38,947 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(38,947) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(38,947) x common factors =1 x 1 = 1
LCM(38,947) = ( 38 × 947 ) / 1
LCM(38,947) = 35986 / 1
LCM(38,947) = 35986
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FAQs on GCF of Fractions of 864/38, 390/947
1. What is the HCF of 864,390?
The HCF of 864,390 is 6
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 864/38, 390/947?
Answer: GCF of Numerators as per given numbers 864/38, 390/947 is
GCF of Numerators i.e. for 864,390 is 6
LCM of denominators i.e. for 38,947 is 35986.
Thus, GCF of Fractions is 6/35986.Finally, GCF of Fractions for 864/38, 390/947 is 6/35986.