20/30 - look for common factors between the top (numerator) and bottom (denominator) numbers.
Both divide by 10:
20/30 = 2/3
No more common factors, answer: 20/30 = 2/3
4/5
9/20 is in its simplest form.
33/20 is in simplest form
20/153 is in its simplest form.
20/3 is in its simplest form.
17/20 is in its simplest form.
1/20 is in its simplest form.
13/20 is the simplest form.
31/20 is in its simplest form.
The simplest form of 20 over 75 is 4/15
3/20 is already in simplest form.
241/20 is in its simplest form.