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Question
Fill in the blanks:
If a is reciprocal of b, then the reciprocal of b is .....
Sum
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Solution
a
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Re-arrange suitably and find the sum in each of the following:
\[\frac{- 6}{7} + \frac{- 5}{6} + \frac{- 4}{9} + \frac{- 15}{7}\]
Subtract the first rational number from the second in each of the following:
\[\frac{- 2}{11}, \frac{- 9}{11}\]
Simplify:
\[\left( \frac{25}{8} \times \frac{2}{5} \right) - \left( \frac{3}{5} \times \frac{- 10}{9} \right)\]
Fill in the blanks:
The number 0 is ..... the reciprocal of any number.
Fill in the blanks:
\[\frac{- 4}{5} \times \left( \frac{5}{7} + \frac{- 8}{9} \right) = \left( \frac{- 4}{5} \times . . . . . \right) \times \frac{- 8}{9}\]
For each set of rational number, given below, verify the associative property of addition of rational number:
(iii) `(-7)/9,2/-3 and (-5)/18`
State, true or false
`(-5)/(-12` is a negative rational number
Insert one rational number between `1/2 and 2`.
Insert a rational number between:
8 and 8.04
Insert a rational number between:
101 and 102
