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Simplify:

$$\frac { 7 }{ 9 } +\frac { 5 }{ 9 } $$

$\cfrac { 4 }{ 3 }$

$\cfrac { 12 }{ 9 }$

$\cfrac { 35 }{ 9 }$

$\cfrac { 35 }{ 81 }$

$\cfrac { 12 }{ 18 }$