GCF of 28/919, 390/961
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 28/919, 390/961 i.e 2/883159 easily. The following is the detailed procedure to determine the greatest common factor of fractions 28/919, 390/961.
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 28/919,390/961?
Given fractions are 28/919,390/961
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 28/919,390/961, numerators are 28,390
Denominators are 919,961
The GCF of 28,390 is 2 .
LCM of 919,961 is 883159.
The greatest common factor of 28/919,390/961 = [GCF of 28,390]/[LCM of 919,961]= 2/883159
Therefore, the GCF of 28/919,390/961 is 2/883159.
To find the highest common factor of 28,390, we have to find the factors of both numbers and list the highest common factor.
The factors of 28 are 1, 2, 4, 7, 14, 28
The factors of 390 are 1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390
The HCF of 28,390 is 2.
Lets's calculate GCF of 28,390
| 2 | 28, 390 |
| 14, 195 |
∴ So the GCF of the given numbers is 2 = 2
Greatest Common Factor of 28,390 By Matching Biggest Common Factor Method
Now, list down the factors of 28
:1,2,4,7,14,28
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 28,390 . The biggest common factor number is the GCF number.
So the greatest common factor 28,390 is 2.
Lets's calculate LCM of 919,961
Given numbers has no common factors except 1. So, there LCM is their product i.e 883159
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 2/883159
Therefore, the GCF of Fractions 28/919,390/961 is 2/883159
Least Common Multiple of 919,961 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 919,961 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(919,961) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(919,961) x common factors =1 x 1 = 1
LCM(919,961) = ( 919 × 961 ) / 1
LCM(919,961) = 883159 / 1
LCM(919,961) = 883159
GCF of Fractions Calculation Examples
Here are some samples of GCF of Fractions calculations.
FAQs on GCF of Fractions of 28/919, 390/961
1. What is the HCF of 28,390?
The HCF of 28,390 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 28/919, 390/961?
Answer: GCF of Numerators as per given numbers 28/919, 390/961 is
GCF of Numerators i.e. for 28,390 is 2
LCM of denominators i.e. for 919,961 is 883159.
Thus, GCF of Fractions is 2/883159.Finally, GCF of Fractions for 28/919, 390/961 is 2/883159.