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प्रश्न
Evaluate each of the following:
\[\frac{4}{7} - \frac{- 5}{- 7}\]
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उत्तर
\[\frac{4}{7} - \frac{- 5}{- 7} = \frac{4 - 5}{7} = \frac{- 1}{7}\]
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संबंधित प्रश्न
Add the following rational numbers:
\[\frac{- 7}{27} and \frac{11}{18}\]
Simplify:
\[\frac{7}{9} + \frac{3}{- 4}\]
Re-arrange suitably and find the sum in each of the following:
\[\frac{3}{5} + \frac{7}{3} + \frac{9}{5} + \frac{- 13}{15} + \frac{- 7}{3}\]
Re-arrange suitably and find the sum in each of the following:
\[\frac{2}{3} + \frac{- 4}{5} + \frac{1}{3} + \frac{2}{5}\]
Multiply:
\[\frac{- 11}{13} \text{by} \frac{- 21}{7}\]
Arrange the following rational numbers in descending order.
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If `p/q` is a rational number, then q cannot be ______.
