The negatives are smaller than the positives, so it's something like
-5/6, -7/9, 3/4, 11/15
but which of -5/6 and -7/9 is smaller?
make them both have 54 on the bottom
-45/54 and -42/54
the first one is smaller, so it's
-5/6 then -7/9
which of 3/4 and 11/15 is smaller?
make them both have 60 on the bottom
45/60 and 44/60
the second one is smaller, so it's
11/15 then 3/4
Answer: -5/6, -7/9, 11/15, 3/4