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1 2 3 5 9 Find a number between and 10 Write your answer as an improper fraction and as a mixed number

User Hao Tan
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In finding a number between 9/8 and 10/8, we can use the average of these two.

We can ensure that this number lies between this two.


Ave=(1)/(2)(a+b)

where a and b are the two numbers

So we have :


\begin{gathered} Ave=(1)/(2)*((9)/(8)+(10)/(8)) \\ =(9)/(16)+(10)/(16) \\ =(19)/(16) \end{gathered}

Therefore, one number that lies between 9/8 and 10/8 is :


\begin{gathered} (19)/(16) \\ or \\ 1(3)/(16) \end{gathered}

User Evan Rosica
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