Greatest Common Factor of 55/78, 34/12, 711/42

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023

GCF of 55/78, 34/12, 711/42

Enter two or more fractions separated by "commas"

Ex: 2/3, 5/7 or 3/5, 5/9, 7/3

GCF of:

Greatest Common Factor of 55/78,34/12,711/42

Given fractions are 55/78,34/12,711/42

Formula to find GCF of Fractions is

GCF = GCF of Numerators/LCM of Denominators

As per the formula GCF of Fractions let’s split into two parts and find the GCF of Numerators and LCM of Denominators

In the given fractions GCF of Numerators means GCF of 55,34,711

Greatest Common Factor of Numerators i.e. GCF of 55,34,711 is 1 .

LCM of Denominators means LCM of 78,12,42 as per the given fractions.

LCM of 78,12,42 is 1092 as it is the smallest common factor for both these numbers.

Lets's calculate GCF of 55,34,711

GCF of Fractions 55/78,34/12,711/42 is 1/1092

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

Greatest Common Factor of 55,34,711 By Matching Biggest Common Factor Method

Greatest Common Factor of 55,34,711 By Matching Biggest Common Factor Method

Factors of 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Factors of 34

List of positive integer factors of 34 that divides 34 without a remainder.

1,2,17,34

Factors of 711

List of positive integer factors of 711 that divides 711 without a remainder.

1,3,9,79,237,711

Greatest Common Factor

We found the factors 55,34,711 . The biggest common factor number is the GCF number.
So the greatest common factor 55,34,711 is 1.

Lets's calculate LCM of 78,12,42

2 78, 12, 42
3 39, 6, 21
13, 2, 7

∴ So the LCM of the given numbers is 2 x 3 x 13 x 2 x 7 = 1092

Thus GCF of Fractions = GCF of Numerators/LCM of Denominators = 1/1092

Therefore, the GCF of Fractions 55/78,34/12,711/42 is 1/1092

Least Common Multiple of 78,12,42 with GCF Formula

Least Common Multiple of 78,12,42 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 78,12,42 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(78,12,42) = 6

common factors(in case of two or more numbers have common factors) = 6

GCF(78,12,42) x common factors =6 x 6 = 36

LCM(78,12,42) = ( 78 × 12 × 42 ) / 36

LCM(78,12,42) = 39312 / 36

LCM(78,12,42) = 1092


GCF of Fractions Calculation Examples

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GCF of Fractions Calculation Examples

Here are some samples of GCF of Fractions calculations.

Frequently Asked Questions on Fractional GCF of 55/78, 34/12, 711/42

1. 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.

2. What is the GCF of Fractions for 55/78, 34/12, 711/42?

Answer: GCF of Numerators as per given numbers 55/78, 34/12, 711/42 is

GCF of Numerators i.e. for 55,34,711 is 1

LCM of denominators i.e. for 78,12,42 is 1092.

Thus, GCF of Fractions is 1/1092.Finally, GCF of Fractions for 55/78, 34/12, 711/42 is 1/1092.