Proper.
7/6 is an improper fraction. Improper fractions can't be proper fractions. It wouldn't be proper.
17 and 4/7 as an improper fraction is 123/7
7 and 3/4 as an improper fraction is 31/4
7x1+4 over 7 would be 11 over 7
3 and 4/7 = 25/7
31/7
24/7 = 18/7
7/12 is proper, 12/7 is improper.
Exactly as in the question 7/4 which as a decimal number is 1.75
46/7 = 34/7
45/7 = 47143/10000
7/4 is an improper fraction.