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Question
Evaluate: `- 11/18 + (-3)/9 + 2/-3`
Sum
Solution
`- 11/18 + (-3)/9 + 2/-3`
`= (- 11)/18 + (-3)/9 + (-2)/3`
`= (- 11 xx 1)/(18 xx 1) + (- 3 xx 2)/(9 xx 2) + (-2 xx 6)/(3 xx 6)`
(∵ L.C.M. of 3, 9 and 18 = 18)
`= (- 11)/18 + (- 6)/18 + (- 12)/18`
` = (- 11 - 6 - 12)/18 = (- 29)/18`
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