6.) 1 3/4 , A. 7/4, B. 2 2/5, C. 25/4, D. 11 7/8

6.) 1 3/4
A. 7/4
B. 2 2/5
C. 25/4
D. 11 7/8

 

A. 7/4

Explanation:

If this is Mixed to Improper Fraction then the answer is 7/4

1 3/4

4 x 1 + 3 = 7

Copy the denominator(4).