1) (4 1/5 + 5 1/8) : 373
Convert the mixed numbers to improper fractions:
(21/5 + 41/8) : 373
Find a common denominator for the fractions:
(168/40 + 205/40) : 373
Combine the fractions:
373/40 : 373
Divide 373 by 40:
373 / 40 = 9.325

Therefore, (4 1/5 + 5 1/8) : 373 = 9.325

2) 5 - 1 2/6
Convert the mixed number to an improper fraction:
5 - 8/6
Find a common denominator:
5 - 4/3
Combine the fractions:
(15/3 - 4/3) = 11/3
Convert the fraction back to a mixed number:
11/3 = 3 2/3

Therefore, 5 - 1 2/6 = 3 2/3