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Question
Evaluate: `-2 + 2/5 + (-2)/15`
Solution
`-2 + 2/5 + (-2)/15`
`(-2)/1 + 2/5 + (-2)/15`
`= (- 2 xx 15)/(1 xx 15) + (2 xx 3)/(5 xx 3) + (-2 xx 1)/(15 xx 1)` (∵ L.C.M. of 1, 5, 15 = 15)
`= (-30)/15 + (6)/15 + (-2)/15`
`= (- 30 + 6 - 2)/15`
`= (- 32 + 6)/15 = (- 26)/15`
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