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प्रश्न
Simplify each of the following and express the result as a rational number in standard form:
\[\frac{- 16}{21} \times \frac{14}{5}\]
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बेरीज
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उत्तर
\[\frac{- 16}{21} \times \frac{14}{5} = \frac{- 2 \times 2 \times 2 \times 2}{3 \times 7} \times \frac{2 \times 7}{5} = \frac{- 32}{15}\]
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संबंधित प्रश्न
Re-arrange suitably and find the sum in each of the following:
\[\frac{11}{12} + \frac{- 17}{3} + \frac{11}{2} + \frac{- 25}{2}\]
Multiply:
\[\frac{6}{7} \text{by} \frac{- 49}{36}\]
Simplify:
\[\left( \frac{3}{11} \times \frac{5}{6} \right) - \left( \frac{9}{12} \times \frac{4}{3} \right) + \left( \frac{5}{13} \times \frac{6}{15} \right)\]
Divide:
\[\frac{- 7}{8} \text{by} \frac{- 21}{16}\]
State, True Or False
`7/9=(7xx5)/(9xx5)`
Mark the following pairs of rational numbers on the separate number lines: `3/4` and `- 1/4`
Arrange the following rational numbers in ascending order.
`(10)/(9),(13)/(12) and (19)/(18)`
Every whole number is a rational number.
Identify the rational number that does not belong with the other three. Explain your reasoning
`(-5)/11, (-1)/2, (-4)/9, (-7)/3`
Show that x is rational, if x2 = `1 7/9`
