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CBSESecondary School (English Medium) (5 to 8) Class 8
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Syllabus

Find the Value and Express as a Rational Number in Standard Form: 10 3 ÷ − 35 12

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Question

Find the value and express as a rational number in standard form:

\[\frac{10}{3} \div \frac{- 35}{12}\]
Sum
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Solution

\[\frac{10}{3} \div \frac{- 35}{12} = \frac{10}{3} \times \frac{12}{- 35} = \frac{- 8}{7}\]

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Rational Numbers
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RELATED QUESTIONS

Add the following rational numbers:

\[\frac{- 7}{27} and \frac{11}{18}\]

Re-arrange suitably and find the sum in each of the following:

\[\frac{3}{5} + \frac{7}{3} + \frac{9}{5} + \frac{- 13}{15} + \frac{- 7}{3}\]

Evaluate each of the following:

\[\frac{4}{7} - \frac{- 5}{- 7}\]

Simplify each of the following and express the result as a rational number in standard form:

\[\frac{- 50}{7} \times \frac{14}{3}\]

Fill in the blanks:

\[\frac{5}{11} \times \frac{- 3}{8} = \frac{- 3}{8} \times . . . . . .\]

Fill in the blanks:

\[\frac{- 4}{5} \times \left( \frac{5}{7} + \frac{- 8}{9} \right) = \left( \frac{- 4}{5} \times . . . . . \right) \times \frac{- 8}{9}\]

Write the following rational number in `p/q` form.

`15.bar89`


Are the following statement true or false ? Give reason for your answer.

  1. Every whole number is a natural number.
  2. Every whole number is a rational number.
  3. Every integer is a rational number.
  4. Every rational number is a whole number.

The overall width in cm of several wide-screen televisions are 97.28 cm, `98 4/9` cm `98 1/25` cm and 97.94 cm. Express these numbers as rational numbers in the form `p/q` and arrange the widths in ascending order.


Zero is a rational number.


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