Respuesta :
The correct answer would be 17/50 because you have to make the 2 bottom numbers the same.
16/25 and -3/10 must become 34/50 and -15/50. and since 15/50 is negitive this is basically a subtraction problem. so 34/50 - 15/50 = 19/50.and 19 cant divide so the answer is 19/50.