Aaron is practicing for a triathlon. On Sunday, he bikes 12 5/8 miles and swims 5 2/3 miles. On Monday, he runs 6 3/8 miles. How many total miles does Aaron cover on the two days?
A. 23 1/6 miles
B. 25 7/12 miles
C. 24 7/12 miles
D. 24 2/3 miles
Thanks.