This little web site shows you how to simplify fractions.

Here's a random fraction:

32

36

32÷2

36÷2

16

18

16÷2

18÷2

8

9

or

32

36

2 × 2 × 2 × 2 × 2

2 × 2 × 3 × 3

8

9

or

Common Divisors for 32 and 36 are: 2 and 2

Greatest Common Divisor = 2 × 2 = 4

32÷4

36÷4

8

9