Michael needs 47 feet of fabric he has 12 1/3 yards of fabric how many more yard of fabric does he need

Convert 47  feet  to yards  =   47/3    =  15 + 2/3   yds

What he needs - What he has  = The required amount left

(15+ 2/3)   -  (12  + 1/3)  =

(15  - 12)  + (2/3 - 1/3)  =

3 + 1/3   yds