To solve this problem, you can subtract the sum of 5/12 and 4/9 from 1. To find the sum of 5/12 and 4/9, you need to make them have common denominators.
5/12*3/3=15/36
4/9*4/4=16/36
Now add the two fractions.
15/36+16/36=31/36
Lastly, subtract the sum from 1.
1-31/36=5/36.