Multiply : (i)`3/4b y5/7` (ii) `3/7b y\ ((-4)/5)` (iii)`((-5)/9)\ b y\ 4` (iv) `((-36)/7)b y\ (-(28)/9)`

Multiply : (i) 3/4\ by\ 5/7\ (ii) \ 3/7\ by\ ((-4)/5)\ (iii) \ ((-5)/9)\ by\ 4\ (iv) ((-36)/7)\ by\ (-(28)/9)

Multiply: ((-5)/9) by 4 (ii) ((-36)/7) by (-(28)/9)

Multiply: (i) ((-5)/9) by 4 (ii) ((-36)/7) by (-(28)/9)

Multiply :(3)/(4)by(5)/(7) (ii) (3)/(7)by((-4)/(5))((-5)/(9)) by 4( iv) ((-36)/(7))by(-(28)/(9))

Multiply: (i) 7/(11)b y5/4 (ii) 5/7b y(-3)/4

Multiply: 7/(11)b y5/4 (ii) 5/7b y(-3)/4

Multiply: 7/(11)\ b y3/5 (ii) 3/5\ b y\ 25

Multiply: -3/5b y-4/7 (ii) -(15)/(11)b y\ 7

Multiply: (-2)/9b y5/(11) (ii) (-3)/(17)b y(-5)/(-4)

Multiply: (-8)/(25)b y(-5)/(16) (ii) 6/7b y(-49)/(36)