Respuesta :

Answer:

  • 82/99

Step-by-step explanation:

  • -3/-11 + 5/9 =

Two negatives cancel

  • 3/11 + 5/9 =

LCM of 9 and 11 is 99, bringing into common denominator of 99

  • 3*9/11*9 + 5*11/9*11 =
  • 27/99 + 55/99 =            
  • 82/99