GCF of 221/121, 774/640
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 221/121, 774/640 i.e 1/77440 easily. The following is the detailed procedure to determine the greatest common factor of fractions 221/121, 774/640.
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 221/121,774/640?
Given fractions are 221/121,774/640
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 221/121,774/640, numerators are 221,774
Denominators are 121,640
The GCF of 221,774 is 1 .
LCM of 121,640 is 77440.
The greatest common factor of 221/121,774/640 = [GCF of 221,774]/[LCM of 121,640]= 1/77440
Therefore, the GCF of 221/121,774/640 is 1/77440.
To find the highest common factor of 221,774, we have to find the factors of both numbers and list the highest common factor.
The factors of 221 are 1, 13, 17, 221
The factors of 774 are 1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774
The HCF of 221,774 is 1.
Lets's calculate GCF of 221,774
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 221,774 By Matching Biggest Common Factor Method
Now, list down the factors of 221
:1,13,17,221
Now, list down the factors of 774
:1,2,3,6,9,18,43,86,129,258,387,774
Greatest Common Factor
We found the factors 221,774 . The biggest common factor number is the GCF number.
So the greatest common factor 221,774 is 1.
Lets's calculate LCM of 121,640
Given numbers has no common factors except 1. So, there LCM is their product i.e 77440
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/77440
Therefore, the GCF of Fractions 221/121,774/640 is 1/77440
Least Common Multiple of 121,640 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 121,640 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(121,640) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(121,640) x common factors =1 x 1 = 1
LCM(121,640) = ( 121 × 640 ) / 1
LCM(121,640) = 77440 / 1
LCM(121,640) = 77440
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FAQs on GCF of Fractions of 221/121, 774/640
1. What is the HCF of 221,774?
The HCF of 221,774 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 221/121, 774/640?
Answer: GCF of Numerators as per given numbers 221/121, 774/640 is
GCF of Numerators i.e. for 221,774 is 1
LCM of denominators i.e. for 121,640 is 77440.
Thus, GCF of Fractions is 1/77440.Finally, GCF of Fractions for 221/121, 774/640 is 1/77440.