This little web site shows you how to simplify fractions.

Here's a random fraction:

296

666

296÷2

666÷2

148

333

148÷37

333÷37

4

9

or

296

666

2 × 2 × 2 × 37

2 × 3 × 3 × 37

4

9

or

Common Divisors for 296 and 666 are: 2 and 37

Greatest Common Divisor = 2 × 37 = 74

296÷74

666÷74

4

9