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Question
Evaluate:
`2/3 + (-4)/5 + 1/3 + 2/5`
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Solution
`(2/3 + 1/3) + ((-4)/5 + 2/5)`
`= (2+1)/3 + (-4+2)/5`
`= 3/3 + ((-2)/5)`
| 3 | 3, 5 |
| 5 | 1, 5 |
| 1, 1 |
LCM of 3 and 5 = 3 x 5 = 15
`= (3xx5)/(3xx5) + (-2xx3)/(5xx3)`
LCM of 3 and 5 = 15)
`= (15-6)/15 = 9/15 = 3/5`
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