GCF of 170/225, 121/138
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 170/225, 121/138 i.e 1/10350 easily. The following is the detailed procedure to determine the greatest common factor of fractions 170/225, 121/138.
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 170/225,121/138?
Given fractions are 170/225,121/138
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 170/225,121/138, numerators are 170,121
Denominators are 225,138
The GCF of 170,121 is 1 .
LCM of 225,138 is 10350.
The greatest common factor of 170/225,121/138 = [GCF of 170,121]/[LCM of 225,138]= 1/10350
Therefore, the GCF of 170/225,121/138 is 1/10350.
To find the highest common factor of 170,121, we have to find the factors of both numbers and list the highest common factor.
The factors of 170 are 1, 2, 5, 10, 17, 34, 85, 170
The factors of 121 are 1, 11, 121
The HCF of 170,121 is 1.
Lets's calculate GCF of 170,121
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 170,121 By Matching Biggest Common Factor Method
Now, list down the factors of 170
:1,2,5,10,17,34,85,170
Now, list down the factors of 121
:1,11,121
Greatest Common Factor
We found the factors 170,121 . The biggest common factor number is the GCF number.
So the greatest common factor 170,121 is 1.
Lets's calculate LCM of 225,138
| 3 | 225, 138 |
| 75, 46 |
∴ So the LCM of the given numbers is 3 x 75 x 46 = 10350
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/10350
Therefore, the GCF of Fractions 170/225,121/138 is 1/10350
Least Common Multiple of 225,138 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 225,138 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(225,138) = 3
common factors(in case of two or more numbers have common factors) = 1
GCF(225,138) x common factors =3 x 1 = 3
LCM(225,138) = ( 225 × 138 ) / 3
LCM(225,138) = 31050 / 3
LCM(225,138) = 10350
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FAQs on GCF of Fractions of 170/225, 121/138
1. What is the HCF of 170,121?
The HCF of 170,121 is 1
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 170/225, 121/138?
Answer: GCF of Numerators as per given numbers 170/225, 121/138 is
GCF of Numerators i.e. for 170,121 is 1
LCM of denominators i.e. for 225,138 is 10350.
Thus, GCF of Fractions is 1/10350.Finally, GCF of Fractions for 170/225, 121/138 is 1/10350.