1099 K

My son does Uber as a side job, he received a 1099 NEC and 1099 K, as I enter the info Turbo tells me if i have a 1099 NEC do not need to enter 1099 K  WRONG you subtract the amount on the 1099 NEC from the amount on 1099 K.  NEC is tips, 1099 K is everything.