Question

Tanesha has a piece of yarn that is 8/9 of an inch long. How long is the remaining piece? 8/18 She cuts 5/9 of an inch off the string. how long is remaining piece?
a. 8/18 of an inch
b. 3/9 of an inch
c. 13/9 of an inch
d. 40/18 of an inch