YumiV769517 YumiV769517
  • 26-10-2022
  • Mathematics
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Explain why 1 13/7 does not represent a ratio and 1 3/7 : 3/7 does represent a ratio. Then tell how you express 1 3/7 as a ratio.

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LakiQ459306 LakiQ459306
  • 26-10-2022
[tex]1\frac{13}{7}[/tex][tex]\frac{1\frac{3}{7}}{\frac{3}{7}}[/tex]

It is not a ratio because it should not be expressed as a mixed number

so you can express the mixed number like a fraction

[tex]\begin{gathered} 1\frac{13}{7} \\ \frac{(7\times1)+13}{7} \\ \frac{7+13}{7} \\ \\ =\frac{20}{7} \end{gathered}[/tex]

20/7 is a ratio because is a fraction, the division between two numbers

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