GCF of 1205/920, 4290/7415
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 1205/920, 4290/7415 i.e 5/1364360 easily. The following is the detailed procedure to determine the greatest common factor of fractions 1205/920, 4290/7415.
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 1205/920,4290/7415?
Given fractions are 1205/920,4290/7415
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 1205/920,4290/7415, numerators are 1205,4290
Denominators are 920,7415
The GCF of 1205,4290 is 5 .
LCM of 920,7415 is 1364360.
The greatest common factor of 1205/920,4290/7415 = [GCF of 1205,4290]/[LCM of 920,7415]= 5/1364360
Therefore, the GCF of 1205/920,4290/7415 is 5/1364360.
To find the highest common factor of 1205,4290, we have to find the factors of both numbers and list the highest common factor.
The factors of 1205 are 1, 5, 241, 1205
The factors of 4290 are 1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 195, 286, 330, 390, 429, 715, 858, 1430, 2145, 4290
The HCF of 1205,4290 is 5.
Lets's calculate GCF of 1205,4290
| 5 | 1205, 4290 |
| 241, 858 |
∴ So the GCF of the given numbers is 5 = 5
Greatest Common Factor of 1205,4290 By Matching Biggest Common Factor Method
Now, list down the factors of 1205
:1,5,241,1205
Now, list down the factors of 4290
:1,2,3,5,6,10,11,13,15,22,26,30,33,39,55,65,66,78,110,130,143,165,195,286,330,390,429,715,858,1430,2145,4290
Greatest Common Factor
We found the factors 1205,4290 . The biggest common factor number is the GCF number.
So the greatest common factor 1205,4290 is 5.
Lets's calculate LCM of 920,7415
| 5 | 920, 7415 |
| 184, 1483 |
∴ So the LCM of the given numbers is 5 x 184 x 1483 = 1364360
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 5/1364360
Therefore, the GCF of Fractions 1205/920,4290/7415 is 5/1364360
Least Common Multiple of 920,7415 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 920,7415 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(920,7415) = 5
common factors(in case of two or more numbers have common factors) = 1
GCF(920,7415) x common factors =5 x 1 = 5
LCM(920,7415) = ( 920 × 7415 ) / 5
LCM(920,7415) = 6821800 / 5
LCM(920,7415) = 1364360
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FAQs on GCF of Fractions of 1205/920, 4290/7415
1. What is the HCF of 1205,4290?
The HCF of 1205,4290 is 5
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 1205/920, 4290/7415?
Answer: GCF of Numerators as per given numbers 1205/920, 4290/7415 is
GCF of Numerators i.e. for 1205,4290 is 5
LCM of denominators i.e. for 920,7415 is 1364360.
Thus, GCF of Fractions is 5/1364360.Finally, GCF of Fractions for 1205/920, 4290/7415 is 5/1364360.