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Use the properties and mental math to solve. enter your answer in simplest form.
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Use the properties and mental math to solve. enter your answer in simplest form.

Use the properties and mental math to solve. enter your answer in simplest form.-example-1
User Flo Doe
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First solve the sum in the rackets.


\begin{gathered} (1)/(5)+(1)/(2)=(1\cdot2+5\cdot1)/(5\cdot2) \\ =(7)/(10) \end{gathered}

Now add 7/10 with 3/5.


\begin{gathered} (7)/(10)+(3)/(5)=(7)/(10)+(6)/(10) \\ =(13)/(10) \\ =(10+3)/(10) \\ =1(3)/(10) \end{gathered}

User Jacob Zimmerman
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