Correct option is D
The least common multiple of 21, 19, 16, and 17 is 5544.
Now, let's convert each fraction to an equivalent fraction with a denominator of 5544:
A. 17/21 = 0.8095
B. 15/19 = 0.7895
C. 13/16 = 0.8125
D. 14/17 = 0.8235
Comparing the numerators, we can see that
Therefore, the fractions in decreasing order are = D, C, A, B.
So, the correct answer is (d)