\[\frac{6}{40}\]

Choose Topic

Examples

Find the Greatest Common Factor (GCF) of

6,40

Method 1: By Listing Factors

List the factors of each number.

Factors of 6

: 1, 2, 3, 6

Factors of 40

: 1, 2, 4, 5, 8, 10, 20, 40

Find the largest number that is shared by all rows above. This is the GCF.

GCF =

2

Method 2: By Prime Factors

List the prime factors of each number.

Prime Factors of 6

: 2, 3

Prime Factors of 40

: 2, 2, 2, 5

Find the intersection of these primes.

2

The intersection contains only one number. Therefore, this is the GCF.

GCF =

2

To get access to all 'How?' and 'Why?' steps, join Cymath Plus!

2

Divide both the numerator and the denominator by the GCF.

\frac{6\div 2}{40\div 2}

Simplify.

\frac{3}{20}

Done

Decimal Form: 0.15

Like this solution? Share it!