GCF of 788/121, 434/686
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 788/121, 434/686 i.e 2/83006 easily. The following is the detailed procedure to determine the greatest common factor of fractions 788/121, 434/686.
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 788/121,434/686?
Given fractions are 788/121,434/686
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 788/121,434/686, numerators are 788,434
Denominators are 121,686
The GCF of 788,434 is 2 .
LCM of 121,686 is 83006.
The greatest common factor of 788/121,434/686 = [GCF of 788,434]/[LCM of 121,686]= 2/83006
Therefore, the GCF of 788/121,434/686 is 2/83006.
To find the highest common factor of 788,434, we have to find the factors of both numbers and list the highest common factor.
The factors of 788 are 1, 2, 4, 197, 394, 788
The factors of 434 are 1, 2, 7, 14, 31, 62, 217, 434
The HCF of 788,434 is 2.
Lets's calculate GCF of 788,434
| 2 | 788, 434 |
| 394, 217 |
∴ So the GCF of the given numbers is 2 = 2
Greatest Common Factor of 788,434 By Matching Biggest Common Factor Method
Now, list down the factors of 788
:1,2,4,197,394,788
Now, list down the factors of 434
:1,2,7,14,31,62,217,434
Greatest Common Factor
We found the factors 788,434 . The biggest common factor number is the GCF number.
So the greatest common factor 788,434 is 2.
Lets's calculate LCM of 121,686
Given numbers has no common factors except 1. So, there LCM is their product i.e 83006
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 2/83006
Therefore, the GCF of Fractions 788/121,434/686 is 2/83006
Least Common Multiple of 121,686 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 121,686 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(121,686) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(121,686) x common factors =1 x 1 = 1
LCM(121,686) = ( 121 × 686 ) / 1
LCM(121,686) = 83006 / 1
LCM(121,686) = 83006
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FAQs on GCF of Fractions of 788/121, 434/686
1. What is the HCF of 788,434?
The HCF of 788,434 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 788/121, 434/686?
Answer: GCF of Numerators as per given numbers 788/121, 434/686 is
GCF of Numerators i.e. for 788,434 is 2
LCM of denominators i.e. for 121,686 is 83006.
Thus, GCF of Fractions is 2/83006.Finally, GCF of Fractions for 788/121, 434/686 is 2/83006.