Firstly, since these two fractions have the same denominator, add the numerators up: 
While it appears that the answer is -6/4, you can further simplify it by dividing the numerator and denominator by 2: 
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Answer:
fraction:10/12 or 5/6 decimal: 8.33
Step-by-step explanation:
Answer:
Well, the most reasonable explanation would be j+8 or 8+j
Small problem....
There is no graph!
ill be happy to solve this if i saw a graph