Advertisements
Advertisements
Question
Evaluate: `(-45)/39 xx (-13)/15`
Sum
Advertisements
Solution
`(-45)/39 xx (-13)/15`
`= ((-45) xx (- 13))/(39 xx 15) = ((-3)xx(-1))/(3 xx 1)`
`= 3/3 = 1`
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 `4/-7`
Compare:
`(-5)/8 and 7/-12`
Compare: `(-7)/8 and 5/-6`
Add: `(- 5)/6 "and" 4/9`
Add: `(-9)/(-16) "and" (-11)/8`
Evaluate: `(-2)/5 + 3/5 + (-1)/5`
Subtract: `11/18 "from" (-5)/18`
Divide: `-7 "by" (- 14)/5`
By what rational number should we multiply `20/-9`, so that the product may be `(-5)/9`?
Evaluate: `(- 3)/8+ (-5)/12`
