Question

Mercedes has a spool containing 15 2 3 inches of ribbon. She cuts a length of 6 1 2 inches to tie a bow. How much ribbon is left on the spool?

Answer 1

Well you have to do 15 4/6- 6 3/6 and that would give you the correct answer of  9 1/6. Or

$9 \frac {1}{6}$