26

52

26

52

26÷2

52÷2

13

26

13÷13

26÷13

1

2

or

26

52

2 × 13

2 × 2 × 13

1

2

or

Common Divisors for 26 and 52 are: 2 and 13

Greatest Common Divisor = 2 × 13 = 26

26÷26

52÷26

1

2

See 1/2 as a percent