3/18
5/6
four ninths divide the bottom and the top by two!
Expressed as a proper fraction in its simplest form, by dividing the numerator and denominator by 6, 12/18 is equal to 2/3 or two thirds.
Expressed as a proper fraction in its simplest form, by dividing the numerator and denominator by 4, 52/72 is equal to 13/18 or thirteen eighteenths.
Oh, dude, you're hitting me with some fractions now? Alright, so six eighteenths is the same as three eighths when simplified. You just divide the top and bottom by 2 until you can't anymore. Easy peasy, lemon squeezy.
The simplest form for 3/18 is 1/6
11/18 is already in its simplest form
2/9
5/6
1/9
1/2
8/9
1/9
5 over 9
-1/3
9/20
9/18 = 1/2