`(11/4 .(-5)/9 - 4/9 . 11/4):33/8`
`= [ 11/4 . (-5/9) - 4/9] : 33/8`
`=( 11/4 . (-1)): 33/8`
`=-11/4 : 33/8`
`=-11/4 . 8/33`
`=-2/3`
= \(\dfrac{11}{4}\)x ( \(\dfrac{-5}{9}-\dfrac{4}{9}\)) x \(\dfrac{8}{33}\)
= \(\dfrac{11}{4}\)x 1 x \(\dfrac{8}{33}\)
= \(\dfrac{2}{3}\)