nicegyy
nicegyy
25-08-2015
Mathematics
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What is .454545... As a reduced fraction
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Аноним
Аноним
25-08-2015
[tex]n=0.\dot { 4 } \dot { 5 } \\ \\ 100n=45.\dot { 4 } \dot { 5 } \\ \\ 100n-n=45.\dot { 4 } \dot { 5 } -0.\dot { 4 } \dot { 5 } \\ \\ \therefore \quad 99n=45\\ \\ \therefore \quad n=\frac { 45 }{ 99 } =\frac { 5 }{ 11 } [/tex]
Answer: 5/11
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