Advertisements
Advertisements
Question
Evaluate: `((- 35)/39 xx (- 13)/7) - (7/90 xx (- 18)/14)`
Sum
Advertisements
Solution
`((- 35)/39 xx (- 13)/7) - (7/90 xx (- 18)/14)`
`= ((-5)xx (- 1))/(3 xx 1) - ((1 xx (-1))/(5 xx 2))`
`= 5/3 - (- 1/10)`
`= (5 xx 10)/(3 xx 10) + 1/(10 xx 3)`
`= (50 + 3)/30 = 53/30 = 1 23/30`
shaalaa.com
Concept for Problem Solving Using Operations on Rational Numbers
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Arrange the given rational numbers in ascending order:
`7/10 , (-11)/-30 "and" 5/-15`
Arrange the given rational numbers in ascending order:
`4/-9, (-5)/12 "and" 2/-3 `
Add: `7/5 "and" 2/5`
Add: `(-2)/5 "and" 3/7`
Evaluate: `(- 7)/6 + 4/-15 + (-4)/-30`
Subtract: `(- 16)/21 "from" 1`
Multiply: `1 1/8 "and" 10 2/3`
Divide: `15/28 "by" 3/4`
Evaluate: `(- 3)/8+ (-5)/12`
Evaluate: `7/-26 + 16/39`
