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Question
Subtract the first rational number from the second in each of the following:
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Solution
\[\frac{5}{6} - \frac{- 2}{3} = \frac{5}{6} - \frac{- 4}{6} = \frac{5 - ( - 4)}{6} = \frac{5 + 4}{6} = \frac{9}{6} = \frac{3}{2}\]
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Zero has ______ reciprocal.
A number of the form `p/q` is said to be a rational number if ______.
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 | ? | ? |
Zero is a rational number.
