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प्रश्न
Evaluate: `- 5/7 - (- 3/8)`
योग
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उत्तर
`- 5/7 - (- 3/8)`
`- 5/7 + 3/8`
| 2 | 7, 8 |
| 2 | 7, 4 |
| 2 | 7, 2 |
| 7 | 7, 1 |
| 1 |
L.C.M. of 7 and 8 = 2 × 2 × 2 × 7 = 56
`=> (-5 xx 8)/(7 xx 8) + (3 xx 7)/(8 xx 7)`
(∵ L.C.M. of 7 and 8 = 56)
`= (-40 + 21)/56 = (-19)/56`
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