Advertisements
Advertisements
Question
Evaluate: `7/26 + 2 + (-11)/13`
Sum
Advertisements
Solution
`7/26 + 2 + (-11)/13`
`=> 7/26 + 2/1 + (-11)/13`
| 2 | 26, 13 |
| 13 | 13, 13 |
| 1, 1 |
L.C.M. of 26 and 13 = 2 × 13 = 26
`=> (7 xx 1)/(26 xx 1) + (2 xx 26)/(1 xx 26) - (11 xx 2)/(13 xx 2)`
(∵ L.C.M. of 26 and 13 = 26)
`=> (7 + 52 - 22)/26`
`= (59 - 22)/26 = 37/26`
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 three rational numbers equivalent to `-5/9`
Compare: `2/7 and (-3)/-8`
Arrange the given rational numbers in ascending order:
`4/-9, (-5)/12 "and" 2/-3 `
Subtract: `(-4)/11 "from" -2`
Subtract: `0 "from" (-3)/8`
Multiply: `1 1/6 "and" 18`
Evaluate: `((-5)/9 xx 6/-25) + (24/21 xx 7/8)`
Divide: `(-20)/9 "by" (-5)/9`
If 6 identical articles can be bought for ₹ 2 `6/17`. Find the cost of each article.
Evaluate: `(7/8 xx 24/21) + ((-5)/9 xx 6/-25)`
