Question

Harriet had a 2 1/4 ft length of board. She will use 1 2/3 ft for a project today. How many feet of board will remain? (Hint: you can use 9/4 and 5/3 if you wish.)
A. 7/12
B. 2/7
C. 14/7

Answer 1

It's 7/12 because 27/12-20/12=7/12