Which is greater 1/9 or 1/8

1/8 is greater than 1/9, because 1 is being divided by a smaller number and hence the result would be bigger than when that same 1 is divided by a bigger number as 9.

OR

1/9 1/8 Cross Multiply

8*1 9*1

8 9

8 < 9

Implies that 1/9 is less than 1/8 and hence 1/8 is greater than 1/9.

OR

Use your calculator and convert both to decimal

1/9 1/8

0.111 ... 0.125

You can see that 1/8 is greater than 1/9.