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Fractions VI Simplifying Fractions

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Fractions VI Simplifying Fractions

Factor A number that divides evenly into another.
Factors of 24 are 1,2, 3, 4, 6, 8, 12 and 24.

What are the factors of 9? Factors of 9 are 1, 3 and 9.

What are the factors of 10? Factors of 10 are 1, 2, 5 and 10.

What are the factors of 7? Factors of 7 are 1 and 7.

Common Factor When two numbers have the same factor it is called a common factor. A common factor of 12 and 6 is 3.

Name THE GCF of 9 and 27? 9 – 1,3,9 27 – 1,3,9, 27 GCF - 9

NaME THE GCF of 4 and 8? 4 – 1,2,4 8 – 1,2,4,8 GCF - 4

Name the GCF of 15 and 30? 15 – 1,3,5, 15 30 – 1,2,3,5,6, 10, 15, 30 GCF - 15

Name the GCF of 9 and 21? 9 – 1,3,9 21 – 1,3,7, 21 GCF = 3

Name the GCF of 10 and 25? 10 – 1,2,5,10 25 – 1,5, 25 GCF = 5

Name the GCF of 3 and 4? 3 – 1,3 4 – 1,4 GCF IS 1!

Simplest Form When the only common factor of the numerator and denominator is 1, the fraction is in simplest form. 3 1 3 ÷ = 4 1 4

Greatest Common Factor
The greatest common factor is the largest factor between two numbers. 12 = 1, 2, 3, 4, 6, 12 18 = 1, 2, 3, 6, 9, 18

What is the Greatest Common Factor?
8 = 1, 2, 4, 8 12 = 1, 2, 3, 4, 6, 12

What is the Greatest Common Factor?
8 = 1, 2, 4, 8 14 = 1, 2, 7,14

What is the Greatest Common Factor?
6 = 1, 2, 3, 6 18 = 1, 2, 3, 6, 9, 15

What is the Greatest Common Factor?
6 = 1, 2, 3, 6 12 = 1, 2, 3, 4, 6, 12

What is the Greatest Common Factor?
8 = 1, 2, 4, 8 16 = 1, 2, 4, 8, 16

What is the Greatest Common Factor?
8 = 1, 2, 4, 8 10 = 1, 2, 5, 10

What is the Greatest Common Factor?
3 = 1, 3 6 = 1, 2, 3, 6

What is the Greatest Common Factor?
4 = 1, 2, 4 6 = 1, 2, 3, 6

What is the Greatest Common Factor?
7 = 1, 7, 21 = 1, 3, 7, 21

What is the Greatest Common Factor?
15 = 1, 3, 5, 15 24 = 1, 2, 3, 8, 12, 24

How to Find the Simplest Form of a Fraction
Find the greatest common factor of the numerator and the denominator and divide both the numerator and the denominator by that number. 12 6 2 ÷ = 18 6 3

Simplify or Reduce This Fraction
12 6 2 ÷ = 18 6 3

Simplify or Reduce This Fraction
9 3 3 ÷ = 21 3 7

Simplify or Reduce This Fraction
12 4 3 ÷ = 20 4 5

Simplify or Reduce This Fraction
10 5 2 ÷ = 15 5 3

Simplify or Reduce This Fraction
10 2 5 ÷ = 16 2 8

Simplify or Reduce This Fraction
12 4 3 ÷ = 16 4 4

Simplify or Reduce This Fraction
3 3 1 ÷ = 12 3 4

Simplify or Reduce This Fraction
2 2 1 ÷ = 8 2 4

Simplify or Reduce This Fraction
2 2 1 ÷ = 4 2 2

Simplify or Reduce This Fraction
6 3 2 ÷ = 9 3 3

Simplify or Reduce This Fraction
6 2 3 ÷ = 8 2 4

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