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प्रश्न
Re-arrange suitably and find the sum in each of the following:
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उत्तर
\[ (\frac{2}{3} + \frac{1}{3}) + (\frac{- 4}{5} + \frac{2}{5})\]
\[ = \frac{3}{3} + \frac{- 2}{5}\]
\[ = \frac{15 - 6}{15}\]
\[ = \frac{9}{15}\]
\[ = \frac{3}{5}\]
संबंधित प्रश्न
Simplify:
Fill in the blanks:
Find the value and express as a rational number in standard form:
Insert a rational number between:
`(2)/(5) and (3)/(4)`
Insert a rational number between:
`(5)/(9) and (6)/(7)`
Every integer is a rational number.
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` |
Which items have a recycled amount less than `1/2`?
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 | ? | ? |
Put the (✓), wherever applicable
| Number | Natural Number |
Whole Number |
Integer | Fraction | Rational Number |
| (a) – 114 | |||||
| (b) `19/27` | |||||
| (c) `623/1` | |||||
| (d) `-19 3/4` | |||||
| (e) `73/71` | |||||
| (f) 0 |
Write any three rational numbers between the two numbers given below.
−2.3 and −2.33
