Simplify :
(i) `(3)/(20)xx(4)/(5)`
(ii) `(-7)/(30)xx(5)/(14)`
(iii) `(5)/(-18)xx(-9)/(20)`
(iv) ` (-9)/(8)xx(-16)/(3)`
(v) `-32xx(-7)/(36)`
(vi) `(16)/(-21)xx(-14)/(5)`

Simplify : (i) (-8)/7xx(14)/5 (ii) (13)/6xx(-18)/(91) (iii) (-5)/9xx(72)/(-125) (iv) (-22)/9xx(-51)/(-88)

(3)/(7)xx(9)/(14) div (5)/(7)=?

Simplify: (i) (-8)/7xx(14)/5 (ii) (13)/6xx(-18)/(91)

Find the product: (i) (9)/(2)xx((-7)/(4)) (ii) (3)/(10)xx(-9)( iii) (-6)/(5)xx(9)/(11) (iv) (3)/(7)xx((-2)/(5))( v) (3)/(-5)xx(-5)/(3)

Simplify: (i) 5xx3/(20)xx2/(15)   (ii) (14)/(25)xx(35)/(51)xx(34)/(49)

Simplify: (i) (7)(18) xx(-4) (ii) (-36) xx ((-5)(9))

Find each of the following products: {:((i)(3)/(5)xx(-7)/(5),(ii)(-9)/(2) xx (5)/(4),(iii)(-6)/(11) xx (-5)/(3)),((iv) (-2)/(3) xx (6)/(7),(v)(-12)/(5)xx(10)/(-3),(vi) (25)/(-9)xx(3)/(-10)), ((vii) (5)/(-18)xx(-9)/(20),(viii) (-13)/(15) xx (-25)/(26), (ix) (16)/(-21)xx(14)/(5)), ((x) (-7)/(6) xx 24,(x i) (7)/(24)xx (-48), (x ii) (-13)/(5)xx(-10)):}

Simplify : (i) (7)/(24)xx-48 (ii) (-19)/(36)xx16 (iii) (-3)/(4)xx(4)/(3) (iv) -13xx(17)/(26) (v) (-13)/(5)xx-10 (vi) (-9)/(16)xx(-64)/(27)

Simplify : ((-16)/(5)xx(20)/(8))-((15)/(5)xx(-35)/(3))

Simplify : [ ((- 3 )/( 2) xx (4)/(5) ) + ((9)/(5) xx (-10)/( 3)) - ((1)/(2)xx (3)/(4)) ] div [ ((21)/( 9) xx (3)/(7)) +((7)/(8) xx (16)/(14)) ]