Question

simplify (21/16*12/9)+(-3/8*-12/9)
class 7​

Answer 1

Answer:

495/8

Step-by-step explanation:

(21/16×12)+{3/8×(-12)/9}

=(21/4×3)+{9/(-32)}

= (63/4)+[9/(-32)]

= (-2016+36)/32

= 1980/32

= 990/16

= 495/8