Every number is already a fraction, it just may not be written in the fraction form. 35 in the fraction written form is 35/1
13 I believe as 31-5=26/2=13 Hope you'll find this helpful
<span>17 – (–8) – 9
= 17 + 8 - 9
= 25 - 9
= 16
answer is 16</span>
9.39 and you don’t add the 66 at the end