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प्रश्न
Evaluate each of the following:
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उत्तर
\[\frac{- 3}{- 8} - \frac{- 2}{7} = \frac{21}{56} - \frac{- 16}{56} = \frac{21 - ( - 16)}{56} = \frac{21 + 16}{56} = \frac{37}{56}\]
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संबंधित प्रश्न
Simplify:
Simplify:
Subtract the first rational number from the second in each of the following:
What number should be added to \[\frac{- 5}{11}\] so as to get\[\frac{26}{33}?\]
Divide the sum of \[\frac{- 13}{5}\] and \[\frac{12}{7}\] by the product of\[\frac{- 31}{7} \text{and} \frac{- 1}{2} .\]
Write the following rational numbers in `p/q` form.
3.17
Insert one rational number between 2 and 3.2.
If `r/s` is a rational number, then s cannot be equal to zero.
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`?
- Is the quantity of aluminium cans recycled more (or less) than half of the quantity of aluminium cans?
- Arrange the rate of recycling the materials from the greatest to the smallest.
Write the rational number whose numerator and denominator are respectively as under:
5 – 39 and 54 – 6
