`((-2)/(5)+(4)/(9))+(-3)/(4)=(-2)/(5)+((4)/(9)+(-3)/(4))`

Simplify :((-3)/(2)x(4)/(5))+((9)/(5)x(-10)/(3))-((1)/(2)x(3)/(4))

(5)/(6)+(2)/(3)-(4)/(9) =?

Simplify: (a) 108-:36 of (1)/(4)+(2)/(5)xx3(1)/(4) (b) (2)/(3)xx(5)/(6)+(4)/(9)-(3)/(4)+(2)/(9)xx(5)/(9)-:(2)/(9)

3(2)/(5)+1(2)/(9)=4(4)/(5)-?

The value of (9)/(15) " of " ((2)/(3) // (2)/(3) " of " (3)/(2)) ÷ ((3)/(4) xx (3)/(4) ÷ (3)/(4) " of " (4)/(3)) " of " ((5)/(4) ÷ (5)/(2) xx (2)/(5) " of " (4)/(5)) is :

The value of (9)/(15) " of " ((2)/(3) // (2)/(3) " of " (3)/(2)) ÷ ((3)/(4) xx (3)/(4) ÷ (3)/(4) " of " (4)/(3)) " of " ((5)/(4) ÷ (5)/(2) xx (2)/(5) " of " (4)/(5)) is :

5(5)/(6) + [2(2)/(3) - [3(3)/(4) (3(4)/(5) div 9(1)/(2))]]

1(5)/(6)+[2(2)/(3)-{3(3)/(4)(3(4)/(5)-:9(1)/(2))}]

(1)/(2) of (3)/(5) of (4)/(9) of 5820=?