Use our free GCF of Fractions Calculator tool to compute the GCF of 804/938, 680/388 i.e 4/181972 easily. The following is the detailed procedure to determine the greatest common factor of fractions 804/938, 680/388.
Enter two or more fractions separated by "commas"
Ex: 2/3, 5/7 or 3/5, 5/9, 7/3
Given fractions are 804/938,680/388
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 804/938,680/388, numerators are 804,680
Denominators are 938,388
The GCF of 804,680 is 4 .
LCM of 938,388 is 181972.
The greatest common factor of 804/938,680/388 = [GCF of 804,680]/[LCM of 938,388]= 4/181972
Therefore, the GCF of 804/938,680/388 is 4/181972.
To find the highest common factor of 804,680, we have to find the factors of both numbers and list the highest common factor.
The factors of 804 are 1, 2, 3, 4, 6, 12, 67, 134, 201, 268, 402, 804
The factors of 680 are 1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680
The HCF of 804,680 is 4.
Lets's calculate GCF of 804,680
2 | 804, 680 |
2 | 402, 340 |
201, 170 |
∴ So the GCF of the given numbers is 2 x 2 = 4
Now, list down the factors of 804
:1,2,3,4,6,12,67,134,201,268,402,804
Now, list down the factors of 680
:1,2,4,5,8,10,17,20,34,40,68,85,136,170,340,680
Greatest Common Factor
We found the factors 804,680 . The biggest common factor number is the GCF number.
So the greatest common factor 804,680 is 4.
Lets's calculate LCM of 938,388
2 | 938, 388 |
469, 194 |
∴ So the LCM of the given numbers is 2 x 469 x 194 = 181972
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 4/181972
Therefore, the GCF of Fractions 804/938,680/388 is 4/181972
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 938,388 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(938,388) = 2
common factors(in case of two or more numbers have common factors) = 1
GCF(938,388) x common factors =2 x 1 = 2
LCM(938,388) = ( 938 × 388 ) / 2
LCM(938,388) = 363944 / 2
LCM(938,388) = 181972
Here are some samples of GCF of Fractions calculations.
1. What is the HCF of 804,680?
The HCF of 804,680 is 4
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 804/938, 680/388?
Answer: GCF of Numerators as per given numbers 804/938, 680/388 is
GCF of Numerators i.e. for 804,680 is 4
LCM of denominators i.e. for 938,388 is 181972.
Thus, GCF of Fractions is 4/181972.Finally, GCF of Fractions for 804/938, 680/388 is 4/181972.