Subtracting Fractions with Negatives

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CCSS.7.NS.A.1C

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CCSS.7.NS.A.1C

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CCSS.7.NS.A.1C

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CCSS.7.NS.A.1C

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CCSS.7.NS.A.1C

On a mountain biking trip, Jimmy passed a sign that said his elevation was  $20\frac{1}{2}$  feet above sea level. He rode downhill for a while longer until his elevation had decreased by 28 feet. What is Jimmy's elevations now?

•  $-\frac{15}{2}\ or\ -7\ \frac{1}{2}\ feet$ 

•  $\frac{15}{2}\ or\ 7\ \frac{1}{2}\ feet$ 

•  $48\ \frac{1}{2}\ or\ \frac{97}{2}\ feet$ 

•  $-48\ \frac{1}{2}\ or\ -\frac{97}{2}\ feet$ 

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CCSS.7.NS.A.1C

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CCSS.7.NS.A.1C

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CCSS.7.NS.A.1C

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CCSS.7.NS.A.1C

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CCSS.7.NS.A.1C