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प्रश्न
Express `3/4` as a rational number with denominator:
–80
योग
उत्तर
To make the denominator –80, we have to multiply numerator and denominator by –20.
∴ `(3 xx (-20))/(4 xx (-20)) = (-60)/(-80)`
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संबंधित प्रश्न
Re-arrange suitably and find the sum in each of the following:
\[\frac{11}{12} + \frac{- 17}{3} + \frac{11}{2} + \frac{- 25}{2}\]
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\[\frac{- 11}{13} \text{by} \frac{- 21}{7}\]
Simplify each of the following and express the result as a rational number in standard form:
\[\frac{- 9}{16} \times \frac{- 64}{- 27}\]
Divide:
\[\frac{2}{3} \text{by} \frac{- 7}{12}\]
Find (x + y) ÷ (x − y), if
\[x = \frac{5}{4}, y = \frac{- 1}{3}\]
Find (x + y) ÷ (x − y), if
\[x = \frac{2}{7}, y = \frac{4}{3}\]
Insert one rational number between 2 and 3.2.
Mark the following pairs of rational numbers on the separate number lines: `1/4 "and" - 5/4`
Insert a rational number between:
`(3)/(4) and (5)/(7)`
Identify the rational number that does not belong with the other three. Explain your reasoning
`(-5)/11, (-1)/2, (-4)/9, (-7)/3`
