Try another version of this question Box 1: Enter your answer as a reduced fraction (like 5/3, not 10/6) or as an integer (like 4 or -2)
Simplify, write your answer as a reduced fraction:
`((16-20)^2)/(7^2-4^2)`
Do not enter mixed numbers
Enter DNE for Does Not Exist, oo for Infinity `16/33`