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Question
Evaluate each of the following:
\[\frac{7}{24} - \frac{19}{36}\]
Sum
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Solution
\[\frac{7}{24} - \frac{19}{36} = \frac{21}{72} - \frac{38}{72} = \frac{21 - 38}{72} = \frac{- 17}{72}\]
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RELATED QUESTIONS
Add the following rational numbers:
\[\frac{- 5}{16} and \frac{7}{24}\]
Evaluate each of the following:
\[\frac{4}{7} - \frac{- 5}{- 7}\]
Evaluate each of the following:
\[\frac{13}{15} - \frac{12}{25}\]
Simplify each of the following and write as a rational number of the form \[\frac{p}{q}:\]
\[\frac{3}{4} + \frac{5}{6} + \frac{- 7}{8}\]
Fill in the blanks:
\[- 4 \times \frac{7}{9} = \frac{7}{9} \times . . . . . .\]
Fill in the blanks:
\[\frac{5}{11} \times \frac{- 3}{8} = \frac{- 3}{8} \times . . . . . .\]
State, True Or False
`7/9=(7xx5)/(9xx5)`
Insert one rational number between 4.2 and 3.6.
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.
If `p/q` is a rational number, then q cannot be ______.
