SOLUTION: Mental Math, I am not sure how to find the sum of this problem or if I am doing it correctly. 9/10 5/9 +

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Question 386329: Mental Math, I am not sure how to find the sum of this problem or if I am doing it correctly.
9/10 5/9
+

Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
find common denominator first
81/90+50/90=131/90
reduce
1 41/90