16 and 5/7 - ? = 10

I got 5 and 5/7 but that was wrong can
you please help!

16 = 112/7; therefore,

(112/7) - (5/7) -? = 10
(107/7) - ? = 10
-? = 10 - (107/7)
-? = (70/7)-(107/7)
-? = (-37/7)
? = (37/7)
Proof:
16 - (5/7) - (37/7) = 10
(112/7) - (5/7) -(37/7) = 10
(70/7) = 10
10=10