Advertisements
Advertisements
Question
Evaluate: `5 + (-3)/4 + (-5)/8`
Sum
Solution
`5 + (-3)/4 + (-5)/8`
`5/1 + (-3)/4 + (-5)/8`
`= (5 xx 8)/(1 xx 8) + ((-3) xx 2)/(4 xx 2) + ((-5) xx 1)/(8 xx 1)`
(∵ L.C.M. of 1, 4 and 8 = 8)
`= (40)/8 + (-6)/8 + (-5)/8`
` = (40 - 6 - 5)/8 = (40 - 11)/8 =(29)/8`
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: `(- 48)/"x" = 6`
Express the following rational number in the standard form. `4/-9`
Express the following rational numbers to the lowest terms: `(-120)/144`
Compare: `2/7 and (-3)/-8`
Arrange the given rational numbers in ascending order:
`7/10 , (-11)/-30 "and" 5/-15`
Add: `7/5 "and" 2/5`
Add: `(- 5)/6 "and" 4/9`
The cost of 11 pens is ₹ `24 3/4`. Find the cost of one pen.
Evaluate: `-1 + 2/-3 + 5/6`
Evaluate: `(8/15 xx (-25)/16) + ((-18)/35 xx 5/6)`
