18

48

18

48

18÷2

48÷2

9

24

9÷3

24÷3

3

8

or

18

48

2 × 3 × 3

2 × 2 × 2 × 2 × 3

3

8

or

Common Divisors for 18 and 48 are: 2 and 3

Greatest Common Divisor = 2 × 3 = 6

18÷6

48÷6

3

8

See 3/8 as a percent