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Josie calculated 1/5+2/7 and said the answer was 2/7 explain how you know that Josie's answer dose not make sense​
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Josie calculated 1/5+2/7 and said the answer was 2/7 explain how you know that Josie's answer dose not make sense​

User Ilya Boyandin
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\stackrel{\textit{something added to it}}{\boxed{\cfrac{}{} \qquad }+\cfrac{2}{7}}\implies \stackrel{\textit{will be greater than }(2)/(7)}{\cfrac{2}{7}+\textit{that something}}

User Mysticalstick
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