GCF of 430/77, 142/121
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 430/77, 142/121 i.e 2/847 easily. The following is the detailed procedure to determine the greatest common factor of fractions 430/77, 142/121.
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 430/77,142/121?
Given fractions are 430/77,142/121
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 430/77,142/121, numerators are 430,142
Denominators are 77,121
The GCF of 430,142 is 2 .
LCM of 77,121 is 847.
The greatest common factor of 430/77,142/121 = [GCF of 430,142]/[LCM of 77,121]= 2/847
Therefore, the GCF of 430/77,142/121 is 2/847.
To find the highest common factor of 430,142, we have to find the factors of both numbers and list the highest common factor.
The factors of 430 are 1, 2, 5, 10, 43, 86, 215, 430
The factors of 142 are 1, 2, 71, 142
The HCF of 430,142 is 2.
Lets's calculate GCF of 430,142
| 2 | 430, 142 |
| 215, 71 |
∴ So the GCF of the given numbers is 2 = 2
Greatest Common Factor of 430,142 By Matching Biggest Common Factor Method
Now, list down the factors of 430
:1,2,5,10,43,86,215,430
Now, list down the factors of 142
:1,2,71,142
Greatest Common Factor
We found the factors 430,142 . The biggest common factor number is the GCF number.
So the greatest common factor 430,142 is 2.
Lets's calculate LCM of 77,121
| 11 | 77, 121 |
| 7, 11 |
∴ So the LCM of the given numbers is 11 x 7 x 11 = 847
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 2/847
Therefore, the GCF of Fractions 430/77,142/121 is 2/847
Least Common Multiple of 77,121 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 77,121 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(77,121) = 11
common factors(in case of two or more numbers have common factors) = 1
GCF(77,121) x common factors =11 x 1 = 11
LCM(77,121) = ( 77 × 121 ) / 11
LCM(77,121) = 9317 / 11
LCM(77,121) = 847
GCF of Fractions Calculation Examples
Here are some samples of GCF of Fractions calculations.
FAQs on GCF of Fractions of 430/77, 142/121
1. What is the HCF of 430,142?
The HCF of 430,142 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 430/77, 142/121?
Answer: GCF of Numerators as per given numbers 430/77, 142/121 is
GCF of Numerators i.e. for 430,142 is 2
LCM of denominators i.e. for 77,121 is 847.
Thus, GCF of Fractions is 2/847.Finally, GCF of Fractions for 430/77, 142/121 is 2/847.