There's nothing to solve ._.
Answer:
-1 1/6
Step-by-step explanation:

Convert the mixed numbers into improper fractions

Apply the rule: a + (-b) = a - b

The Least Common Multiplier of 6 and 3 is 6
Adjust the fractions on the LCM

Apply the Fraction Rule: 

Subtract the numbers

Apply the Fraction Rule: 

Convert improper fraction into a mixed number

Hope this Helps :)