Question

What is the GCF of the numerator and denominator in the following fraction? -99/176

3
9
11
They are relatively prime.

Answer 1

-99 = -9*11
176 = 16*11

Both factorizations have 11 show up. It turns out that 11 is the largest common factor. 

Answer: C) 11

Note: if you divide both numerator and denominator by 11, then the fraction reduces to -9/16

Answer 2

the answer is 11 :))