24

30

24

30

24÷2

30÷2

12

15

12÷3

15÷3

4

5

or

24

30

2 × 2 × 2 × 3

2 × 3 × 5

4

5

or

Common Divisors for 24 and 30 are: 2 and 3

Greatest Common Divisor = 2 × 3 = 6

24÷6

30÷6

4

5

See 4/5 as a percent