Advertisements
Advertisements
Question
Evaluate: `-1 + 2/-3 + 5/6`
Sum
Advertisements
Solution
`-1 + 2/-3 + 5/6`
| 2 | 3, 6 |
| 3 | 3, 3 |
| 1, 1 |
L.C.M. of 3 and 6 = 2 × 3 = 6
`=> (-1 xx 6)/(1 xx 6) - (2 xx 2)/(3 xx 2) + (5 xx 1)/(6 xx 1)`
(∵ L.C.M. of 3 and 6 = 6)
`=> (-6 -4+ 5)/6`
`= (-10 + 5)/6 = -5/6`
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: `(-2)/3=6/"x"`
Add: `(-7)/26 "and" 7/-26`
Evaluate: `(-2)/5 + 3/5 + (-1)/5`
Evaluate: `- 5 + 5/-8 + (-5)/(-12)`
Evaluate: `((-12)/5) xx (10/-3)`
Evaluate: `2 14/25 xx ((-5)/16)`
Evaluate: `((-8)/9) xx ((-3)/16)`
Evaluate: `(-2)/3 + 3/4`
The product of two rational numbers is 24. If one of them is `- 36/11`, find the other.
By what rational number should we multiply `20/-9`, so that the product may be `(-5)/9`?
