Advertisements
Advertisements
Question
By what rational number should we multiply `20/-9`, so that the product may be `(-5)/9`?
Sum
Advertisements
Solution
Required number = `(-5)/9 div (20/-9)`
`=> (-5)/9 xx ((-9)/20) = 1/4`
∴ Required number = `1/4`
shaalaa.com
Concept for Problem Solving Using Operations on Rational Numbers
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Find three rational numbers equivalent to `3/5`
Find x, such that: `36/"x" = 3`
Find x, such that: `(-27)/"x" = 9`
Arrange the given rational numbers in descending order:
`5/8, 13/-16 "and" (-7)/12`
Add: `5/-12 "and" 1/12`
Add: `(- 5)/6 "and" 4/9`
Subtract: `5/8 "from" (-5)/16`
Divide: `35 "by" (- 7)/9`
Evaluate: `3 5/12 - 1 2/3`
What rational number should be subtracted from `- 5/12` to get `5/24`.
