How to Find GCF of 61/42, 43/88, 644/71?

GCF of 61/42, 43/88, 644/71

Created By : Veerendra
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023

Use our free GCF of Fractions Calculator tool to compute the GCF of 61/42, 43/88, 644/71 i.e 1/131208 easily. The following is the detailed procedure to determine the greatest common factor of fractions 61/42, 43/88, 644/71.

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 61/42,43/88,644/71?

Given fractions are 61/42,43/88,644/71

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 61/42,43/88,644/71, numerators are 61,43,644

Denominators are 42,88,71

The GCF of 61,43,644 is 1 .

LCM of 42,88,71 is 131208.

The greatest common factor of 61/42,43/88,644/71 = [GCF of 61,43,644]/[LCM of 42,88,71]= 1/131208

Therefore, the GCF of 61/42,43/88,644/71 is 1/131208.

Greatest Common Factor of 61,43,644

To find the highest common factor of 61,43,644, 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 43 are 1, 43

The factors of 644 are 1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644

The HCF of 61,43,644 is 1.

Lets's calculate GCF of 61,43,644

Greatest Common Factor (GCF) of 61,43,644 By Common Division

∴ So GCF of numbers is 1 because of no common factors present between them.

Greatest Common Factor of 61,43,644 By Matching Biggest Common Factor Method

Now, list down the factors of 61

1,61

Now, list down the factors of 43

1,43

Now, list down the factors of 644

1,2,4,7,14,23,28,46,92,161,322,644

Greatest Common Factor

We found the factors 61,43,644 . The biggest common factor number is the GCF number.
So the greatest common factor 61,43,644 is 1.

Lets's calculate LCM of 42,88,71

Lowest Common Multiple of 42,88,71 using Common Division

2	42, 88, 71
	21, 44, 71

∴ So the LCM of the given numbers is 2 x 21 x 44 x 71 = 131208

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/131208

Therefore, the GCF of Fractions 61/42,43/88,644/71 is 1/131208

Least Common Multiple of 42,88,71 with GCF Formula

The formula of LCM is LCM(a₁,a₂,a₃....,a_n) = ( a₁ × a₂ × a₃ × .... × a_n) / GCF(a₁,a₂,a₃....,a_n) x common factors(if more than 2 numbers have common factors).

We need to calculate greatest common factor of 42,88,71 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(42,88,71) = 1

common factors(in case of two or more numbers have common factors) = 2

GCF(42,88,71) x common factors =1 x 2 = 2

LCM(42,88,71) = ( 42 × 88 × 71 ) / 2

LCM(42,88,71) = 262416 / 2

LCM(42,88,71) = 131208

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FAQs on GCF of Fractions of 61/42, 43/88, 644/71

1. What is the HCF of 61,43,644?

The HCF of 61,43,644 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 61/42, 43/88, 644/71?

Answer: GCF of Numerators as per given numbers 61/42, 43/88, 644/71 is

GCF of Numerators i.e. for 61,43,644 is 1

LCM of denominators i.e. for 42,88,71 is 131208.

Thus, GCF of Fractions is 1/131208.Finally, GCF of Fractions for 61/42, 43/88, 644/71 is 1/131208.