butwhiteMytaresa
butwhiteMytaresa
17-08-2016
Mathematics
contestada
7 and 5/9 minus 4 and 7/12
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dalendrk
dalendrk
19-08-2016
[tex]7\dfrac{5}{9}-4\dfrac{7}{12}=7\dfrac{5\cdot4}{9\cdot4}-4\dfrac{7\cdot3}{12\cdot3}=7\dfrac{20}{36}-4\dfrac{21}{36}\\\\=6\dfrac{36+20}{36}-4\dfrac{21}{36}=6\dfrac{56}{36}-4\dfrac{21}{36}=2\dfrac{35}{36}[/tex]
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