Multiply: `3/4\ ` by `5/7` (ii) `3/7` by `((-4)/5)`

Multiply: (i) 3/4\ by 5/7 (ii) 3/7 by ((-4)/5)

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

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

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

Multiply: 4a(3a+7b)

Multiply : 7/5xx1/4

Multiply : 7/5xx1/4

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