Express the following rational number in the standard form: $(i) \frac{- 7}{- 8}$

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Solution

Converting the rational number into standard form

Given, rational number is $\frac{- 7}{- 8}$ .

[A rational number is said to be in standard form if its denominator is positive in the lowest term]

Multiplying $- 1$ with both numerator and denominator to make the denominator positive

$\frac{- 7}{- 8} = \frac{- 7 \times (- 1)}{- 8 \times (- 1)}$

$= \frac{7}{8}$

Hence, standrd form of given rational number is $\frac{7}{8}$ .

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Question 70 (i)

Express the following rational number in its standard form:
$\frac{- 12}{- 30}$

Question 70 (iv)

Express the following rational number in its standard form:
$\frac{299}{- 161}$

Express each of the following rational numbers in standard form :

(i) $\frac{- 12}{30}$ (ii) $\frac{- 14}{49}$ (iii) $\frac{24}{- 64}$ (iv) $\frac{- 36}{- 63}$

\frac{- 12}{30}

\frac{- 14}{49}

\frac{24}{- 64}

\frac{- 36}{- 63}

\frac{- 15}{35}

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