GCF of 857/421, 478/470
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 857/421, 478/470 i.e 1/197870 easily. The following is the detailed procedure to determine the greatest common factor of fractions 857/421, 478/470.
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 857/421,478/470?
Given fractions are 857/421,478/470
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 857/421,478/470, numerators are 857,478
Denominators are 421,470
The GCF of 857,478 is 1 .
LCM of 421,470 is 197870.
The greatest common factor of 857/421,478/470 = [GCF of 857,478]/[LCM of 421,470]= 1/197870
Therefore, the GCF of 857/421,478/470 is 1/197870.
To find the highest common factor of 857,478, we have to find the factors of both numbers and list the highest common factor.
The factors of 857 are 1, 857
The factors of 478 are 1, 2, 239, 478
The HCF of 857,478 is 1.
Lets's calculate GCF of 857,478
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 857,478 By Matching Biggest Common Factor Method
Now, list down the factors of 857
:1,857
Now, list down the factors of 478
:1,2,239,478
Greatest Common Factor
We found the factors 857,478 . The biggest common factor number is the GCF number.
So the greatest common factor 857,478 is 1.
Lets's calculate LCM of 421,470
Given numbers has no common factors except 1. So, there LCM is their product i.e 197870
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/197870
Therefore, the GCF of Fractions 857/421,478/470 is 1/197870
Least Common Multiple of 421,470 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 421,470 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(421,470) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(421,470) x common factors =1 x 1 = 1
LCM(421,470) = ( 421 × 470 ) / 1
LCM(421,470) = 197870 / 1
LCM(421,470) = 197870
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FAQs on GCF of Fractions of 857/421, 478/470
1. What is the HCF of 857,478?
The HCF of 857,478 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 857/421, 478/470?
Answer: GCF of Numerators as per given numbers 857/421, 478/470 is
GCF of Numerators i.e. for 857,478 is 1
LCM of denominators i.e. for 421,470 is 197870.
Thus, GCF of Fractions is 1/197870.Finally, GCF of Fractions for 857/421, 478/470 is 1/197870.