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प्रश्न
Evaluate each of the following:
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उत्तर
\[\frac{- 4}{13} - \frac{- 5}{26} = \frac{- 8}{26} - \frac{- 5}{26} = \frac{- 8 - ( - 5)}{26} = \frac{- 8 + 5}{26} = \frac{- 3}{26}\]
संबंधित प्रश्न
Multiply:
Multiply:
Simplify each of the following and express the result as a rational number in standard form:
Find (x + y) ÷ (x − y), if
Mark the following pairs of rational numbers on the separate number lines: `5/6` and `(- 2)/3`
Arrange the following rational numbers in ascending order.
`(-7)/(12), (-3)/(10) and (-2)/(5)`
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.
Manavi and Kuber each receives an equal allowance. The table shows the fraction of their allowance each deposits into his/her saving account and the fraction each spends at the mall. If allowance of each is Rs. 1260 find the amount left with each.
| Where money goes | Fraction of allowance | |
| Manavi | Kuber | |
| Saving Account | `1/2` | `1/3` |
| Spend at mall | `1/4` | `3/5` |
| Left over | ? | ? |
Every natural number is a rational number but every rational number need not be a natural number.
8 can be written as a rational number with any integer as denominator.
