Answer:
To convert a number of inches into a decimal fraction of a foot, divide the number of inches by 12.
So 1 inch = 0.0833
2 inches = 0.1667
3 inches = 0.25
4 inches = 0.3333
5 inches = 0.4167
6 inches = 0.5
7 inches = 0.5833
8 inches = 0.6667
9 inches = 0.75
10 inches = 0.8333
11 inches = 0.9167
and obviously
12 inches = 1.0