GCF of 634/395, 430/790
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 634/395, 430/790 i.e 2/790 easily. The following is the detailed procedure to determine the greatest common factor of fractions 634/395, 430/790.
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 634/395,430/790?
Given fractions are 634/395,430/790
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 634/395,430/790, numerators are 634,430
Denominators are 395,790
The GCF of 634,430 is 2 .
LCM of 395,790 is 790.
The greatest common factor of 634/395,430/790 = [GCF of 634,430]/[LCM of 395,790]= 2/790
Therefore, the GCF of 634/395,430/790 is 2/790.
To find the highest common factor of 634,430, we have to find the factors of both numbers and list the highest common factor.
The factors of 634 are 1, 2, 317, 634
The factors of 430 are 1, 2, 5, 10, 43, 86, 215, 430
The HCF of 634,430 is 2.
Lets's calculate GCF of 634,430
| 2 | 634, 430 |
| 317, 215 |
∴ So the GCF of the given numbers is 2 = 2
Greatest Common Factor of 634,430 By Matching Biggest Common Factor Method
Now, list down the factors of 634
:1,2,317,634
Now, list down the factors of 430
:1,2,5,10,43,86,215,430
Greatest Common Factor
We found the factors 634,430 . The biggest common factor number is the GCF number.
So the greatest common factor 634,430 is 2.
Lets's calculate LCM of 395,790
| 5 | 395, 790 |
| 79 | 79, 158 |
| 1, 2 |
∴ So the LCM of the given numbers is 5 x 79 x 1 x 2 = 790
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 2/790
Therefore, the GCF of Fractions 634/395,430/790 is 2/790
Least Common Multiple of 395,790 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 395,790 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(395,790) = 395
common factors(in case of two or more numbers have common factors) = 1
GCF(395,790) x common factors =395 x 1 = 395
LCM(395,790) = ( 395 × 790 ) / 395
LCM(395,790) = 312050 / 395
LCM(395,790) = 790
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FAQs on GCF of Fractions of 634/395, 430/790
1. What is the HCF of 634,430?
The HCF of 634,430 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 634/395, 430/790?
Answer: GCF of Numerators as per given numbers 634/395, 430/790 is
GCF of Numerators i.e. for 634,430 is 2
LCM of denominators i.e. for 395,790 is 790.
Thus, GCF of Fractions is 2/790.Finally, GCF of Fractions for 634/395, 430/790 is 2/790.