Question

plz sub step by step​

Answer 1

Step-by-step explanation:

(a) 6/11- (-9/22)

= 12+9/22

= 21/22

(b) 9/4 - 13/4

= 9-13/4

= -4 /4

= -1

Answer 2

Answer:

The answer is 21/22 and -1

Hope it will help you