Question

is 4/6 greater or less than 9/12

Answer 1

4/6 will simplify to 2/3
9/12 will simplify to 3/4
Find a common denominator
12 is a good one
8/12
9/12
9/12 is greater than 4/6 

Answer 2

well 4/6=2/3 because 4 divided by 2 equals 2 and 6 divided by 2 equals  3
9/12=3/4 because 9 divided by 3 equals 3 and 12 divided by 3 equals 4
so 2/3< 3/4