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प्रश्न
Divide the sum of \[\frac{- 13}{5}\] and \[\frac{12}{7}\] by the product of\[\frac{- 31}{7} \text{and} \frac{- 1}{2} .\]
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उत्तर
\[(\frac{- 13}{5} + \frac{12}{7}) \div (\frac{- 31}{7} \times \frac{- 1}{2})\]
\[ = \frac{- 13 \times 7 + 12 \times 5}{35} \div \frac{31}{14}\]
\[ = \frac{- 91 + 60}{35} \div \frac{31}{14}\]
\[ = \frac{- 31}{35} \times \frac{14}{31}\]
\[ = \frac{- 2}{5}\]
संबंधित प्रश्न
Add the following rational numbers.
Add the following rational numbers.
Re-arrange suitably and find the sum in each of the following:
Subtract the first rational number from the second in each of the following:
Divide:
State, True Or False
`7/9=(7xx5)/(9xx5)`
Insert a rational number between:
`(2)/(5) and (3)/(4)`
Insert a rational number between:
`(5)/(9) and (6)/(7)`
Find the greatest and the smallest rational number among the following.
`(6)/(7),(9)/(14) and (23)/(28)`
Every natural number is a rational number but every rational number need not be a natural number.
