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Question
Evaluate: `(-6 xx 5/18) - (- 4 2/9)`
Sum
Solution
`(-6 xx 5/18) - (- 4 2/9)`
`= (-1 xx 5/3) - ((-(4 xx 9 + 2))/9)`
| 3 | 3,9 |
| 3 | 1,3 |
| 1,1 |
L.C.M. = 9
`= (-5)/3 - ((- 38)/9)`
`= (-5)/3 + 38/9 = (- 5 xx 3)/(3 xx 3) + (38 xx 1)/(9 xx 1)`
`= (- 15 + 38)/9 => 23/9 = 2 5/9`
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