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Hello, stuck on these can someone please help.:)

Hello, stuck on these can someone please help.:)-example-1

1 Answer

1 vote

Explanation:

9.


(8)/(9) + (5)/(9) = (8 + 5)/(9) = (13)/(9)

10.


(6)/(12) + ( - (14)/(12) ) = (6 - 14)/(12)

11.


( - 6 + 3)/(8) = ( - 3)/(8)

12.


(9 - 7)/(20) = (2)/(20) = (1)/(10)

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