This little web site shows you how to simplify fractions.

Here's a random fraction:

132

220

132÷2

220÷2

66

110

66÷2

110÷2

33

55

33÷11

55÷11

3

5

or

132

220

2 × 2 × 3 × 11

2 × 2 × 5 × 11

3

5

or

Common Divisors for 132 and 220 are: 2, 2 and 11

Greatest Common Divisor = 2 × 2 × 11 = 44

132÷44

220÷44

3

5