miyahpooh
miyahpooh
09-06-2018
Mathematics
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What is -5 and 7/12-(-7/30)
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gmany
gmany
16-06-2018
[tex]-5\dfrac{7}{12}-\left(-\dfrac{7}{30}\right)=-5\dfrac{7}{12}+\dfrac{7}{30}=-5\dfrac{7\cdot5}{12\cdot5}+\dfrac{7\cdot2}{30\cdot2}\\\\=-5\dfrac{35}{60}+\dfrac{14}{60}=-5\dfrac{21}{60}=-5\dfrac{21:3}{60:3}=-5\dfrac{7}{20}[/tex]
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