Willowthekittycar
Willowthekittycar
17-03-2015
Mathematics
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can 21 over 56 be simplified?
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Аноним
Аноним
17-03-2015
[tex]21|3\\.\ 7|7\\.\ 1|\\21=3\cdot7\\\\56|2\\28|2\\14|2\\.\ 7|7\\.\ 1|\\56=2\cdot2\cdot2\cdot7\\\\\frac{21}{56}=\frac{3\cdot7}{2\cdot2\cdot2\cdot7}=\frac{3}{2\cdot2\cdot2}=\boxed{\frac{3}{8}}[/tex]
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