Question

To get the sum 0 , we should add 8/21 by
(a)8/21 (b) (- 8)/21 (c) 21/8 (d) (- 21)/8
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Answer 1

Answer:

b) (-8)/21

• Explanation-
• 8/21+(-8)/21
• 8/21-821=0

hope this will help you

Answer 2

Answer:

-8/21

Step-by-step explanation:

lets x should be added.

(8/21 )+( x)= 0

x= 0 - 8/21.

( on L.H.S. 8/21 is positive which becomes negative on R.H.S.)

x = (-8/21)

proved;

8/21+(-8/21)=0