Four Fours/1/Solutions

Puzzle: Four Fours: $1$

Using exactly $4$ instances of the number $4$, the task is to write an expression for $1$, using whatever arithmetical operations you consider necessary.

Solutions

Solution $1$

$1 = \dfrac {4 + 4} {4 + 4}$

Solution $2$

$1 = \dfrac {4 \times 4} {4 \times 4}$

Solution $3$

$1 = \dfrac {4 / 4} {4 / 4}$

Solution $4$

$1 = \dfrac 4 4 \times \dfrac 4 4$

Solution $5$

$1 = 4 - 4 + \dfrac 4 4$

Solution $6$

$1 = \dfrac {44} {44}$