Question

(13 by 8 into 12 by 13) +(-4 by9 into 3by -2)​

Answer 1

Answer:

4/3

Step-by-step explanation:

=(13/8 ×12/13) +(-4/9×3/-2)

=(12/8)+(-4/-6)

=(2/3)+(2/3)

=(2/3+2/3)

=(4/3)