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Question
Simplify: `"k + 1"/2 + "2k - 1"/3 - "k + 3"/4`
Sum
Solution
`"k + 1"/2 + "2k - 1"/3 - "k + 3"/4`
`= ("6k" + 6 + "8k" - 4 - "3k" - 9)/12` ...(LCM of 2,3,4 = 12)
`= ("14k" - "3k" + 6 - 13)/12`
`= ("11k" - 7)/12`
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