Respuesta :

Well first of all you SUBTRACT
so 9 3/10- 1 7/10= 7 3/5 so the answer is 7 3/5
9 and 3/10 minus (-) 1 and 7/10 = 7 and 6/10
9 and 3/10 plus (+) 1 and 7/10 = 11

I didn't know if you were looking for the sum (+) or the difference (-), so I answered them both for you. Have a great afternoon :) 
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