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Question
Evaluate:
`(-8)/9 + -5/12`
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Solution
`(-8)/9 + -5/12`
| 2 | 9, 12 |
| 2 | 9, 6 |
| 3 | 9, 3 |
| 3 | 3, 1 |
| 1, 1 |
LCM of 9, 12 = 2 x 2 x 3 x 3 = 36
`= (-8xx4)/(9xx4) - (5xx3)/(12xx3)`
`= (-32 -15)/36` (LCM of 9 and 12 = 36)
`= (-47)/36`
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