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प्रश्न
Fill in the blanks:
\[\frac{- 4}{5} \times \left( \frac{5}{7} + \frac{- 8}{9} \right) = \left( \frac{- 4}{5} \times . . . . . \right) \times \frac{- 8}{9}\]
योग
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उत्तर
\[ \frac{5}{7}\]
\[x \times (y \times z) = (x \times y) \times z (\text{associativity of multiplication} )\]
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संबंधित प्रश्न
Subtract the first rational number from the second in each of the following:
\[\frac{- 6}{7}, \frac{- 13}{14}\]
Simplify:
\[\left( \frac{13}{9} \times \frac{- 15}{2} \right) + \left( \frac{7}{3} \times \frac{8}{5} \right) + \left( \frac{3}{5} \times \frac{1}{2} \right)\]
Fill in the blanks:
\[\frac{5}{11} \times \frac{- 3}{8} = \frac{- 3}{8} \times . . . . . .\]
Divide:
\[\frac{- 3}{4} \text{by} \frac{9}{- 16}\]
Divide:
\[\frac{7}{- 4} \text{by} \frac{63}{64}\]
Find the value and express as a rational number in standard form:
\[- 6 \div \left( \frac{- 8}{17} \right)\]
Find (x + y) ÷ (x − y), if
\[x = \frac{2}{3}, y = \frac{3}{2}\]
State, True Or False
`7/9=(-7-5)/(9-5)`
Compare: `3/5` and `5/7`
For every rational number x, x + 1 = x.
