Respuesta :

Exact form: 28/3
Decimal form: 9.333.... 
Mixed Number form: 9 1/3
Conversion: 6 5/9 = 6 · 9 + 59 = 599Conversion: 2 7/9 = 2 · 9 + 79 = 259Add: 599 + 259 = 59 + 259 = 849 = 283
The common denominator you can calculate as the least common multiple of the both denominators - LCM(9, 9) = 9