Advertisements
Advertisements
Question
Evaluate: `(7/8 xx 8/7) + ((-5)/9) xx (6/-25)`
Sum
Advertisements
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
Compare: `(-1)/4` and 0
Arrange the given rational numbers in descending order:
`5/8, 13/-16 "and" (-7)/12`
Fill in the blank:
`5/8` and `-3/10` are on the ________ side of zero.
Add: `(-4)/9 "and" 2/9`
Add: `(- 5)/6 "and" 4/9`
Evaluate: `5 + (-3)/4 + (-5)/8`
Multiply: `1 1/8 "and" 10 2/3`
By what number should `(-5)/7` be divided so that the result is `(-15)/28`?
Evaluate: `7/-26 + 16/39`
Evaluate: `- 2/3 - ((- 5)/7)`
