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Answer :

Answer:

the answer would be -1/9

because you're subtracting 8/9 from 7/9, not the other way around.

Step-by-step explanation:

Answer:

see below

Step-by-step explanation:

7/9-8/9=1/9

We have a common denominator

( 7-8)        1

--------- =  ----

9                9

7 -8 is equal to -1  not 1

The answer should be -1/9  not 1/9