GCF of 61/12, 34/20, 80/84, 98/48
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Use our free GCF of Fractions Calculator tool to compute the GCF of 61/12, 34/20, 80/84, 98/48 i.e 1/1680 easily. The following is the detailed procedure to determine the greatest common factor of fractions 61/12, 34/20, 80/84, 98/48.
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 61/12,34/20,80/84,98/48?
Given fractions are 61/12,34/20,80/84,98/48
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 61/12,34/20,80/84,98/48, numerators are 61,34,80,98
Denominators are 12,20,84,48
The GCF of 61,34,80,98 is 1 .
LCM of 12,20,84,48 is 1680.
The greatest common factor of 61/12,34/20,80/84,98/48 = [GCF of 61,34,80,98]/[LCM of 12,20,84,48]= 1/1680
Therefore, the GCF of 61/12,34/20,80/84,98/48 is 1/1680.
To find the highest common factor of 61,34,80,98, we have to find the factors of both numbers and list the highest common factor.
The factors of 61 are 1, 61
The factors of 34 are 1, 2, 17, 34
The factors of 80 are 1, 2, 4, 5, 8, 10, 16, 20, 40, 80
The factors of 98 are 1, 2, 7, 14, 49, 98
The HCF of 61,34,80,98 is 1.
Lets's calculate GCF of 61,34,80,98
∴ So GCF of numbers is 1 because of no common factors present between them.
Greatest Common Factor of 61,34,80,98 By Matching Biggest Common Factor Method
Now, list down the factors of 61
:1,61
Now, list down the factors of 34
:1,2,17,34
Now, list down the factors of 80
:1,2,4,5,8,10,16,20,40,80
Now, list down the factors of 98
:1,2,7,14,49,98
Greatest Common Factor
We found the factors 61,34,80,98 . The biggest common factor number is the GCF number.
So the greatest common factor 61,34,80,98 is 1.
Lets's calculate LCM of 12,20,84,48
| 2 | 12, 20, 84, 48 |
| 2 | 6, 10, 42, 24 |
| 3 | 3, 5, 21, 12 |
| 1, 5, 7, 4 |
∴ So the LCM of the given numbers is 2 x 2 x 3 x 1 x 5 x 7 x 4 = 1680
Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/1680
Therefore, the GCF of Fractions 61/12,34/20,80/84,98/48 is 1/1680
Least Common Multiple of 12,20,84,48 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 12,20,84,48 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(12,20,84,48) = 4
common factors(in case of two or more numbers have common factors) = 144
GCF(12,20,84,48) x common factors =4 x 144 = 576
LCM(12,20,84,48) = ( 12 × 20 × 84 × 48 ) / 576
LCM(12,20,84,48) = 967680 / 576
LCM(12,20,84,48) = 1680
GCF of Fractions Calculation Examples
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FAQs on GCF of Fractions of 61/12, 34/20, 80/84, 98/48
1. What is the HCF of 61,34,80,98?
The HCF of 61,34,80,98 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 61/12, 34/20, 80/84, 98/48?
Answer: GCF of Numerators as per given numbers 61/12, 34/20, 80/84, 98/48 is
GCF of Numerators i.e. for 61,34,80,98 is 1
LCM of denominators i.e. for 12,20,84,48 is 1680.
Thus, GCF of Fractions is 1/1680.Finally, GCF of Fractions for 61/12, 34/20, 80/84, 98/48 is 1/1680.