GCF of 978/15, 772/7932
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 978/15, 772/7932 i.e 2/39660 easily. The following is the detailed procedure to determine the greatest common factor of fractions 978/15, 772/7932.
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 978/15,772/7932?
Given fractions are 978/15,772/7932
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 978/15,772/7932, numerators are 978,772
Denominators are 15,7932
The GCF of 978,772 is 2 .
LCM of 15,7932 is 39660.
The greatest common factor of 978/15,772/7932 = [GCF of 978,772]/[LCM of 15,7932]= 2/39660
Therefore, the GCF of 978/15,772/7932 is 2/39660.
To find the highest common factor of 978,772, we have to find the factors of both numbers and list the highest common factor.
The factors of 978 are 1, 2, 3, 6, 163, 326, 489, 978
The factors of 772 are 1, 2, 4, 193, 386, 772
The HCF of 978,772 is 2.
Lets's calculate GCF of 978,772
| 2 | 978, 772 |
| 489, 386 |
∴ So the GCF of the given numbers is 2 = 2
Greatest Common Factor of 978,772 By Matching Biggest Common Factor Method
Now, list down the factors of 978
:1,2,3,6,163,326,489,978
Now, list down the factors of 772
:1,2,4,193,386,772
Greatest Common Factor
We found the factors 978,772 . The biggest common factor number is the GCF number.
So the greatest common factor 978,772 is 2.
Lets's calculate LCM of 15,7932
| 3 | 15, 7932 |
| 5, 2644 |
∴ So the LCM of the given numbers is 3 x 5 x 2644 = 39660
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 2/39660
Therefore, the GCF of Fractions 978/15,772/7932 is 2/39660
Least Common Multiple of 15,7932 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 15,7932 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(15,7932) = 3
common factors(in case of two or more numbers have common factors) = 1
GCF(15,7932) x common factors =3 x 1 = 3
LCM(15,7932) = ( 15 × 7932 ) / 3
LCM(15,7932) = 118980 / 3
LCM(15,7932) = 39660
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FAQs on GCF of Fractions of 978/15, 772/7932
1. What is the HCF of 978,772?
The HCF of 978,772 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 978/15, 772/7932?
Answer: GCF of Numerators as per given numbers 978/15, 772/7932 is
GCF of Numerators i.e. for 978,772 is 2
LCM of denominators i.e. for 15,7932 is 39660.
Thus, GCF of Fractions is 2/39660.Finally, GCF of Fractions for 978/15, 772/7932 is 2/39660.