GCF of 742/979, 1991/385
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 742/979, 1991/385 i.e 1/34265 easily. The following is the detailed procedure to determine the greatest common factor of fractions 742/979, 1991/385.
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 742/979,1991/385?
Given fractions are 742/979,1991/385
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 742/979,1991/385, numerators are 742,1991
Denominators are 979,385
The GCF of 742,1991 is 1 .
LCM of 979,385 is 34265.
The greatest common factor of 742/979,1991/385 = [GCF of 742,1991]/[LCM of 979,385]= 1/34265
Therefore, the GCF of 742/979,1991/385 is 1/34265.
To find the highest common factor of 742,1991, we have to find the factors of both numbers and list the highest common factor.
The factors of 742 are 1, 2, 7, 14, 53, 106, 371, 742
The factors of 1991 are 1, 11, 181, 1991
The HCF of 742,1991 is 1.
Lets's calculate GCF of 742,1991
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 742,1991 By Matching Biggest Common Factor Method
Now, list down the factors of 742
:1,2,7,14,53,106,371,742
Now, list down the factors of 1991
:1,11,181,1991
Greatest Common Factor
We found the factors 742,1991 . The biggest common factor number is the GCF number.
So the greatest common factor 742,1991 is 1.
Lets's calculate LCM of 979,385
| 11 | 979, 385 |
| 89, 35 |
∴ So the LCM of the given numbers is 11 x 89 x 35 = 34265
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/34265
Therefore, the GCF of Fractions 742/979,1991/385 is 1/34265
Least Common Multiple of 979,385 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 979,385 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(979,385) = 11
common factors(in case of two or more numbers have common factors) = 1
GCF(979,385) x common factors =11 x 1 = 11
LCM(979,385) = ( 979 × 385 ) / 11
LCM(979,385) = 376915 / 11
LCM(979,385) = 34265
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FAQs on GCF of Fractions of 742/979, 1991/385
1. What is the HCF of 742,1991?
The HCF of 742,1991 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 742/979, 1991/385?
Answer: GCF of Numerators as per given numbers 742/979, 1991/385 is
GCF of Numerators i.e. for 742,1991 is 1
LCM of denominators i.e. for 979,385 is 34265.
Thus, GCF of Fractions is 1/34265.Finally, GCF of Fractions for 742/979, 1991/385 is 1/34265.