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Question
Evaluate: `(-11)/12 + 5/16 + (-3)/8`
Sum
Solution
`(-11)/12 + 5/16 + (-3)/8`
`= (- 11 xx 4)/(12 xx 4) + (5 xx 3)/(16 xx 3) + (-3 xx 6)/(8 xx 6)` (∵ L.C.M. of 8, 12, 16 = 48)
`= (- 44)/48 + (15)/48 + (-18)/48`
`= (- 44 + 15 - 18)/48`
`= (- 62 + 15)/48 = (- 47)/48`
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