Explanation:
Least common multiple of 66 and 88 is 2424. Convert -\frac{5}{6}− 
6
5
 and \frac{83}{8} 
8
83
 to fractions with denominator 2424.
-\frac{20}{24}+\frac{249}{24}− 
24
20
 + 
24
249
 
Step 2
Since -\frac{20}{24}− 
24
20
 and \frac{249}{24} 
24
249
 have the same denominator, add them by adding their numerators.
\frac{-20+249}{24} 
24
−20+249
 
Step 3
Add -20−20 and 249249 to get 229229.
\frac{229}{24} 
24
229
answer:222/24 = 9.5419999967