Question 833589: (9 3/4)+(9 3/10)
Answer by JulietG(1812)   (Show Source):
You can put this solution on YOUR website! Find the lowest common denominator
4,8,12,16,20,24,...
10,20,30,40,50...
Let's use 20
Since it's addition, go ahead and add the whole numbers first.
9+9 = 18
3/4 = 15/20
3/10 = 6/20
15/20 + 6/20 = 21/20
18 21/20 can be reduced
19 1/20
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