GCF of 261/438, 720/553
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 261/438, 720/553 i.e 9/242214 easily. The following is the detailed procedure to determine the greatest common factor of fractions 261/438, 720/553.
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 261/438,720/553?
Given fractions are 261/438,720/553
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 261/438,720/553, numerators are 261,720
Denominators are 438,553
The GCF of 261,720 is 9 .
LCM of 438,553 is 242214.
The greatest common factor of 261/438,720/553 = [GCF of 261,720]/[LCM of 438,553]= 9/242214
Therefore, the GCF of 261/438,720/553 is 9/242214.
To find the highest common factor of 261,720, we have to find the factors of both numbers and list the highest common factor.
The factors of 261 are 1, 3, 9, 29, 87, 261
The factors of 720 are 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720
The HCF of 261,720 is 9.
Lets's calculate GCF of 261,720
| 3 | 261, 720 |
| 3 | 87, 240 |
| 29, 80 |
∴ So the GCF of the given numbers is 3 x 3 = 9
Greatest Common Factor of 261,720 By Matching Biggest Common Factor Method
Now, list down the factors of 261
:1,3,9,29,87,261
Now, list down the factors of 720
:1,2,3,4,5,6,8,9,10,12,15,16,18,20,24,30,36,40,45,48,60,72,80,90,120,144,180,240,360,720
Greatest Common Factor
We found the factors 261,720 . The biggest common factor number is the GCF number.
So the greatest common factor 261,720 is 9.
Lets's calculate LCM of 438,553
Given numbers has no common factors except 1. So, there LCM is their product i.e 242214
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 9/242214
Therefore, the GCF of Fractions 261/438,720/553 is 9/242214
Least Common Multiple of 438,553 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 438,553 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(438,553) = 1
common factors(in case of two or more numbers have common factors) = 1
GCF(438,553) x common factors =1 x 1 = 1
LCM(438,553) = ( 438 × 553 ) / 1
LCM(438,553) = 242214 / 1
LCM(438,553) = 242214
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FAQs on GCF of Fractions of 261/438, 720/553
1. What is the HCF of 261,720?
The HCF of 261,720 is 9
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 261/438, 720/553?
Answer: GCF of Numerators as per given numbers 261/438, 720/553 is
GCF of Numerators i.e. for 261,720 is 9
LCM of denominators i.e. for 438,553 is 242214.
Thus, GCF of Fractions is 9/242214.Finally, GCF of Fractions for 261/438, 720/553 is 9/242214.