GCF of 400/816, 731/458
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 400/816, 731/458 i.e 1/186864 easily. The following is the detailed procedure to determine the greatest common factor of fractions 400/816, 731/458.
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 400/816,731/458?
Given fractions are 400/816,731/458
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 400/816,731/458, numerators are 400,731
Denominators are 816,458
The GCF of 400,731 is 1 .
LCM of 816,458 is 186864.
The greatest common factor of 400/816,731/458 = [GCF of 400,731]/[LCM of 816,458]= 1/186864
Therefore, the GCF of 400/816,731/458 is 1/186864.
To find the highest common factor of 400,731, we have to find the factors of both numbers and list the highest common factor.
The factors of 400 are 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400
The factors of 731 are 1, 17, 43, 731
The HCF of 400,731 is 1.
Lets's calculate GCF of 400,731
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 400,731 By Matching Biggest Common Factor Method
Now, list down the factors of 400
:1,2,4,5,8,10,16,20,25,40,50,80,100,200,400
Now, list down the factors of 731
:1,17,43,731
Greatest Common Factor
We found the factors 400,731 . The biggest common factor number is the GCF number.
So the greatest common factor 400,731 is 1.
Lets's calculate LCM of 816,458
| 2 | 816, 458 |
| 408, 229 |
∴ So the LCM of the given numbers is 2 x 408 x 229 = 186864
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/186864
Therefore, the GCF of Fractions 400/816,731/458 is 1/186864
Least Common Multiple of 816,458 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 816,458 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(816,458) = 2
common factors(in case of two or more numbers have common factors) = 1
GCF(816,458) x common factors =2 x 1 = 2
LCM(816,458) = ( 816 × 458 ) / 2
LCM(816,458) = 373728 / 2
LCM(816,458) = 186864
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FAQs on GCF of Fractions of 400/816, 731/458
1. What is the HCF of 400,731?
The HCF of 400,731 is 1
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 400/816, 731/458?
Answer: GCF of Numerators as per given numbers 400/816, 731/458 is
GCF of Numerators i.e. for 400,731 is 1
LCM of denominators i.e. for 816,458 is 186864.
Thus, GCF of Fractions is 1/186864.Finally, GCF of Fractions for 400/816, 731/458 is 1/186864.