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Question
Evaluate: `(- 3)/8+ (-5)/12`
Sum
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Solution
`(- 3)/8+ (-5)/12`
| 2 | 8, 12 |
| 2 | 4, 6 |
| 2 | 2, 3 |
| 3 | 1, 3 |
| 1, 1 |
L.C.M. of 8 and 12 = 2 × 2 × 2 × 3 = 24
`=> (-3 xx 3)/(8 xx 3) + (-5 xx 2)/(12 xx 2)`
(∵ L.C.M. of 8 and 12 = 24)
`=> (- 9 - 10)/24 = -19/24`
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