To order the numbers from greatest to least, we can compare them based on their values:
- 56 13/40 is the largest because it's a positive mixed number.
- -14/16 simplifies to -7/8, which is closer to zero than the other negative number.
- 9/40 is positive but less than 56 13/40.
- -56 is the smallest as it is a negative value.
So, in order from greatest to least:
56 13/40, 9/40, -14/16, -56.