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Compute
\frac{1}{1 \times 7} + \frac{1}{4 \times 10}

 May 1, 2024
 #1
avatar+9665 
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\(\dfrac1{1\times 7} + \dfrac1{4\times 10} = \dfrac17 + \dfrac1{40} = \dfrac{40 + 7}{280} = \dfrac{47}{280}\)

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 May 1, 2024

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