Advertisements
Advertisements
Question
Evaluate: `(7/8 xx 8/7) + ((-5)/9) xx (6/-25)`
Sum
Solution
`(7/8 xx 8/7) + ((-5)/9) xx (6/-25)`
`= (7/8 xx 8/7) + ((-5)/9 xx 6/-25)`
`= 1/1 + (1 xx 2)/(3 xx 5) = 1/1 + 2/15`
`= (15 + 2)/15 = 17/15 = 1 2/15`
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 x, such that: `7/-4 = "x"/8`
Find x, such that: `3/7 = "x"/-35`
Add: `(-7)/25 "and" 9/-25`
Evaluate: `(5/-27) xx ((-9)/20)`
Multiply: `3/25 "and" 4/5`
Multiply: `6 2/3 "and" -3/8`
Divide: `-14 "by" 7/-2`
Evaluate: `7/-26 + 16/39`
Evaluate: `(7/8 xx 24/21) + ((-5)/9 xx 6/-25)`
Evaluate:
`((-13)/7 xx (- 35)/39) - ((-7)/45 xx (9)/14)`
