The standard from of a rational number -225 / 465 is

\frac{- 4}{7}

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\frac{- 6}{7}

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\frac{- 6}{17}

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none of these

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Solution

The correct option is C none of these
$\frac{- 225}{465} = \frac{- 45}{93} = - \frac{15}{31}$

Thus, option D is correct.

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Similar questions

______ is a rational number between 3/7 and 6/7.

Question 92 (c)

Write the following as rational numbers in their standard forms.
$- 6 \frac{3}{7}$

\frac{- 3}{2} \times \frac{5}{4} + \frac{- 3}{2} \times \frac{- 7}{6} = \frac{- 3}{2} \times (\frac{5}{4} + \frac{- 7}{6})

\frac{8}{12}

\frac{4}{6}

Add the following rational numbers :

(i) $\frac{- 2}{5}$ and $\frac{4}{5}$ (ii) $\frac{- 6}{11}$ and $\frac{- 4}{11}$ (iii) $\frac{- 11}{8}$ and $\frac{5}{8}$

(iv) $\frac{- 7}{3}$ and $\frac{1}{3}$ (v) $\frac{5}{6}$ and $\frac{- 1}{6}$ (iv) $\frac{- 17}{15}$ and $\frac{- 1}{15}$

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