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प्रश्न
Simplify each of the following and write as a rational number of the form \[\frac{p}{q}:\]
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उत्तर
\[\frac{2}{3} + \frac{- 5}{6} + \frac{- 7}{9}\]
\[ = \frac{12}{18} + \frac{- 15}{18} + \frac{- 14}{18}\]
\[ = \frac{12 + ( - 15) + ( - 14)}{18}\]
\[ = \frac{12 - 15 - 14}{18}\]
\[ = \frac{- 17}{18}\]
संबंधित प्रश्न
Simplify:
Simplify:
What number should be subtracted from \[\frac{- 5}{3}\] to get\[\frac{5}{6}?\]
What should be subtracted from \[\left( \frac{3}{4} - \frac{2}{3} \right)\] to get\[\frac{- 1}{6}?\]
Find the value and express as a rational number in standard form:
Write the following rational number in `p/q` form.
`15.bar89`
State, true or false
`(-5)/(-12` is a negative 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` |
- 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.
Zero is a rational number.
All decimal numbers are also rational numbers.
