Question

question number 16 step by step​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

let other rational no. be x

(-9/20)+x=(-3/5)

x=(-3/5)-(-9/20)

x = -3/5+9/20

x= -3/20

So, other rational no. is -3/20

hope this will help you.