Plz solve...Urgent!
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Step-by-step explanation:
9.sum= -9/14 + 5/7
-9+10/14
1/14
sum= 11/28 + (-3/7)
11/28-3/7
11-12/28
-1/28
difference=-1/28-1/14
-1-2/28
-3/28
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