GCF of 88/864, 78/694, 640/828
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 88/864, 78/694, 640/828 i.e 2/6895584 easily. The following is the detailed procedure to determine the greatest common factor of fractions 88/864, 78/694, 640/828.
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 88/864,78/694,640/828?
Given fractions are 88/864,78/694,640/828
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 88/864,78/694,640/828, numerators are 88,78,640
Denominators are 864,694,828
The GCF of 88,78,640 is 2 .
LCM of 864,694,828 is 6895584.
The greatest common factor of 88/864,78/694,640/828 = [GCF of 88,78,640]/[LCM of 864,694,828]= 2/6895584
Therefore, the GCF of 88/864,78/694,640/828 is 2/6895584.
To find the highest common factor of 88,78,640, we have to find the factors of both numbers and list the highest common factor.
The factors of 88 are 1, 2, 4, 8, 11, 22, 44, 88
The factors of 78 are 1, 2, 3, 6, 13, 26, 39, 78
The factors of 640 are 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640
The HCF of 88,78,640 is 2.
Lets's calculate GCF of 88,78,640
| 2 | 88, 78, 640 |
| 44, 39, 320 |
∴ So the GCF of the given numbers is 2 = 2
Greatest Common Factor of 88,78,640 By Matching Biggest Common Factor Method
Now, list down the factors of 88
:1,2,4,8,11,22,44,88
Now, list down the factors of 78
:1,2,3,6,13,26,39,78
Now, list down the factors of 640
:1,2,4,5,8,10,16,20,32,40,64,80,128,160,320,640
Greatest Common Factor
We found the factors 88,78,640 . The biggest common factor number is the GCF number.
So the greatest common factor 88,78,640 is 2.
Lets's calculate LCM of 864,694,828
| 2 | 864, 694, 828 |
| 2 | 432, 347, 414 |
| 3 | 216, 347, 207 |
| 3 | 72, 347, 69 |
| 24, 347, 23 |
∴ So the LCM of the given numbers is 2 x 2 x 3 x 3 x 24 x 347 x 23 = 6895584
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 2/6895584
Therefore, the GCF of Fractions 88/864,78/694,640/828 is 2/6895584
Least Common Multiple of 864,694,828 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 864,694,828 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(864,694,828) = 2
common factors(in case of two or more numbers have common factors) = 36
GCF(864,694,828) x common factors =2 x 36 = 72
LCM(864,694,828) = ( 864 × 694 × 828 ) / 72
LCM(864,694,828) = 496482048 / 72
LCM(864,694,828) = 6895584
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FAQs on GCF of Fractions of 88/864, 78/694, 640/828
1. What is the HCF of 88,78,640?
The HCF of 88,78,640 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 88/864, 78/694, 640/828?
Answer: GCF of Numerators as per given numbers 88/864, 78/694, 640/828 is
GCF of Numerators i.e. for 88,78,640 is 2
LCM of denominators i.e. for 864,694,828 is 6895584.
Thus, GCF of Fractions is 2/6895584.Finally, GCF of Fractions for 88/864, 78/694, 640/828 is 2/6895584.