GCF of 609/78, 686/7146
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 609/78, 686/7146 i.e 7/92898 easily. The following is the detailed procedure to determine the greatest common factor of fractions 609/78, 686/7146.
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 609/78,686/7146?
Given fractions are 609/78,686/7146
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 609/78,686/7146, numerators are 609,686
Denominators are 78,7146
The GCF of 609,686 is 7 .
LCM of 78,7146 is 92898.
The greatest common factor of 609/78,686/7146 = [GCF of 609,686]/[LCM of 78,7146]= 7/92898
Therefore, the GCF of 609/78,686/7146 is 7/92898.
To find the highest common factor of 609,686, we have to find the factors of both numbers and list the highest common factor.
The factors of 609 are 1, 3, 7, 21, 29, 87, 203, 609
The factors of 686 are 1, 2, 7, 14, 49, 98, 343, 686
The HCF of 609,686 is 7.
Lets's calculate GCF of 609,686
| 7 | 609, 686 |
| 87, 98 |
∴ So the GCF of the given numbers is 7 = 7
Greatest Common Factor of 609,686 By Matching Biggest Common Factor Method
Now, list down the factors of 609
:1,3,7,21,29,87,203,609
Now, list down the factors of 686
:1,2,7,14,49,98,343,686
Greatest Common Factor
We found the factors 609,686 . The biggest common factor number is the GCF number.
So the greatest common factor 609,686 is 7.
Lets's calculate LCM of 78,7146
| 2 | 78, 7146 |
| 3 | 39, 3573 |
| 13, 1191 |
∴ So the LCM of the given numbers is 2 x 3 x 13 x 1191 = 92898
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 7/92898
Therefore, the GCF of Fractions 609/78,686/7146 is 7/92898
Least Common Multiple of 78,7146 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 78,7146 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(78,7146) = 6
common factors(in case of two or more numbers have common factors) = 1
GCF(78,7146) x common factors =6 x 1 = 6
LCM(78,7146) = ( 78 × 7146 ) / 6
LCM(78,7146) = 557388 / 6
LCM(78,7146) = 92898
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FAQs on GCF of Fractions of 609/78, 686/7146
1. What is the HCF of 609,686?
The HCF of 609,686 is 7
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 609/78, 686/7146?
Answer: GCF of Numerators as per given numbers 609/78, 686/7146 is
GCF of Numerators i.e. for 609,686 is 7
LCM of denominators i.e. for 78,7146 is 92898.
Thus, GCF of Fractions is 7/92898.Finally, GCF of Fractions for 609/78, 686/7146 is 7/92898.