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Which of the following are equivalent to $\cfrac { 4 }{ 3 }$?

Select ALL that apply.

$\cfrac { 44 }{ 33 }$

$1{\cfrac13}$

$1{\cfrac43}$

$\cfrac { 1 }{ 3 }$

$\cfrac { 4\pi }{ 3\pi }$

$\cfrac { \frac { 4 }{ \sqrt { 7 } } }{ \cfrac { 3 }{ \sqrt { 7 } } } $