Anais bought 4.5 yards of ribbon. She had 3 feet 8 inches of ribbon left after trimming some curtains. How many inches of ribbon did Anais use to trim the curtains?

1 answer

4 6/12 - 3 8/12
= 3 18/12
- 3 8/12
= 10/12

so, 10" left

or, 54"-44" = 10"