Henrietta lives 8 7/10 miles from school. She lives 5 1/10 miles from the library. How much farther does Henrietta live from her school than from the library?
A.3 3/5 miles
B.3 3/4 miles
C.13 3/5 miles
D.13 3/4 miles
8 7/10 - 5 1/10
(8-5)+(7/10 - 1/10)
3 6/10
3 3/5