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प्रश्न
Insert a rational number between:
`(5)/(9) and (6)/(7)`
बेरीज
उत्तर
A rational number lying between `(5)/(9) and (6)/(7)`
= `((5)/(9) + (6)/(7))/(2)`
= `((35 + 54)/(63))/(2)`
= `((89)/(63))/(2)`
= `(89)/(126)`
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Add the following rational numbers:
\[\frac{5}{- 9} and \frac{7}{3}\]
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\[1 + \frac{- 4}{5}\]
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\[\frac{- 31}{6} \text{and} \frac{- 27}{8}\]
Multiply:
\[\frac{7}{11} \text{by} \frac{5}{4}\]
Multiply:
\[\frac{5}{7} \text{by} \frac{- 3}{4}\]
Simplify:
\[\left( - 5 \times \frac{2}{15} \right) - \left( - 6 \times \frac{2}{9} \right)\]
Simplify:
\[\left( \frac{- 4}{3} \times \frac{12}{- 5} \right) + \left( \frac{3}{7} \times \frac{21}{15} \right)\]
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