GCF of 790/97, 402/815
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 790/97, 402/815 i.e 2/79055 easily. The following is the detailed procedure to determine the greatest common factor of fractions 790/97, 402/815.
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 790/97,402/815?
Given fractions are 790/97,402/815
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 790/97,402/815, numerators are 790,402
Denominators are 97,815
The GCF of 790,402 is 2 .
LCM of 97,815 is 79055.
The greatest common factor of 790/97,402/815 = [GCF of 790,402]/[LCM of 97,815]= 2/79055
Therefore, the GCF of 790/97,402/815 is 2/79055.
To find the highest common factor of 790,402, we have to find the factors of both numbers and list the highest common factor.
The factors of 790 are 1, 2, 5, 10, 79, 158, 395, 790
The factors of 402 are 1, 2, 3, 6, 67, 134, 201, 402
The HCF of 790,402 is 2.
Lets's calculate GCF of 790,402
| 2 | 790, 402 |
| 395, 201 |
∴ So the GCF of the given numbers is 2 = 2
Greatest Common Factor of 790,402 By Matching Biggest Common Factor Method
Now, list down the factors of 790
:1,2,5,10,79,158,395,790
Now, list down the factors of 402
:1,2,3,6,67,134,201,402
Greatest Common Factor
We found the factors 790,402 . The biggest common factor number is the GCF number.
So the greatest common factor 790,402 is 2.
Lets's calculate LCM of 97,815
Given numbers has no common factors except 1. So, there LCM is their product i.e 79055
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 2/79055
Therefore, the GCF of Fractions 790/97,402/815 is 2/79055
Least Common Multiple of 97,815 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 97,815 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(97,815) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(97,815) x common factors =1 x 1 = 1
LCM(97,815) = ( 97 × 815 ) / 1
LCM(97,815) = 79055 / 1
LCM(97,815) = 79055
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FAQs on GCF of Fractions of 790/97, 402/815
1. What is the HCF of 790,402?
The HCF of 790,402 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 790/97, 402/815?
Answer: GCF of Numerators as per given numbers 790/97, 402/815 is
GCF of Numerators i.e. for 790,402 is 2
LCM of denominators i.e. for 97,815 is 79055.
Thus, GCF of Fractions is 2/79055.Finally, GCF of Fractions for 790/97, 402/815 is 2/79055.