GCF of 108/78, 636/7020
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 108/78, 636/7020 i.e 12/7020 easily. The following is the detailed procedure to determine the greatest common factor of fractions 108/78, 636/7020.
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 108/78,636/7020?
Given fractions are 108/78,636/7020
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 108/78,636/7020, numerators are 108,636
Denominators are 78,7020
The GCF of 108,636 is 12 .
LCM of 78,7020 is 7020.
The greatest common factor of 108/78,636/7020 = [GCF of 108,636]/[LCM of 78,7020]= 12/7020
Therefore, the GCF of 108/78,636/7020 is 12/7020.
To find the highest common factor of 108,636, we have to find the factors of both numbers and list the highest common factor.
The factors of 108 are 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108
The factors of 636 are 1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318, 636
The HCF of 108,636 is 12.
Lets's calculate GCF of 108,636
| 2 | 108, 636 |
| 2 | 54, 318 |
| 3 | 27, 159 |
| 9, 53 |
∴ So the GCF of the given numbers is 2 x 2 x 3 = 12
Greatest Common Factor of 108,636 By Matching Biggest Common Factor Method
Now, list down the factors of 108
:1,2,3,4,6,9,12,18,27,36,54,108
Now, list down the factors of 636
:1,2,3,4,6,12,53,106,159,212,318,636
Greatest Common Factor
We found the factors 108,636 . The biggest common factor number is the GCF number.
So the greatest common factor 108,636 is 12.
Lets's calculate LCM of 78,7020
| 2 | 78, 7020 |
| 3 | 39, 3510 |
| 13 | 13, 1170 |
| 1, 90 |
∴ So the LCM of the given numbers is 2 x 3 x 13 x 1 x 90 = 7020
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 12/7020
Therefore, the GCF of Fractions 108/78,636/7020 is 12/7020
Least Common Multiple of 78,7020 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 78,7020 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(78,7020) = 78
common factors(in case of two or more numbers have common factors) = 1
GCF(78,7020) x common factors =78 x 1 = 78
LCM(78,7020) = ( 78 × 7020 ) / 78
LCM(78,7020) = 547560 / 78
LCM(78,7020) = 7020
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FAQs on GCF of Fractions of 108/78, 636/7020
1. What is the HCF of 108,636?
The HCF of 108,636 is 12
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 108/78, 636/7020?
Answer: GCF of Numerators as per given numbers 108/78, 636/7020 is
GCF of Numerators i.e. for 108,636 is 12
LCM of denominators i.e. for 78,7020 is 7020.
Thus, GCF of Fractions is 12/7020.Finally, GCF of Fractions for 108/78, 636/7020 is 12/7020.