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प्रश्न
Divide:
\[\frac{2}{3} \text{by} \frac{- 7}{12}\]
योग
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उत्तर
\[\frac{2}{3} \div \frac{- 7}{12} = \frac{2}{3} \times \frac{12}{- 7} = \frac{- 8}{7}\]
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संबंधित प्रश्न
Simplify each of the following and write as a rational number of the form \[\frac{p}{q}:\]
\[\frac{3}{4} + \frac{5}{6} + \frac{- 7}{8}\]
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\[\frac{- 8}{3} + \frac{- 1}{4} + \frac{- 11}{6} + \frac{3}{8} - 3\]
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\[\frac{5}{6} + \frac{- 2}{5} - \frac{- 2}{15}\]
Simplify:
\[\left( \frac{13}{9} \times \frac{- 15}{2} \right) + \left( \frac{7}{3} \times \frac{8}{5} \right) + \left( \frac{3}{5} \times \frac{1}{2} \right)\]
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\[\left( \frac{3}{11} \times \frac{5}{6} \right) - \left( \frac{9}{12} \times \frac{4}{3} \right) + \left( \frac{5}{13} \times \frac{6}{15} \right)\]
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\[\frac{- 3}{4} \text{by} - 6\]
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(iii) `(-7)/9,2/-3 and (-5)/18`
State, True Or False
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A number of the form `p/q` is said to be a rational number if ______.
The table shows the portion of some common materials that are recycled.
| Material | Recycled |
| Paper | `5/11` |
| Aluminium cans | `5/8` |
| Glass | `2/5` |
| Scrap | `3/4` |
- Is the rational number expressing the amount of paper recycled more than `1/2` or less than `1/2`?
- Which items have a recycled amount less than `1/2`?
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- Arrange the rate of recycling the materials from the greatest to the smallest.
