Respuesta :
7 1/7 = 100/14 and 2 1/2= 35/14. 100 - 35 =65 so the answer is 65/14.
If I had paper it would be easier... but you have to get the answer in the bottom first so 7 and 2 is equivalent to 14 so it will be 7 2/14 - 2 7/14= -5 5/14