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Question
Evaluate:
`(-5 xx 2/15) - (-6 xx 2/9)`
Sum
Solution
`= ((-5)xx2)/(1xx15) - ((-6)xx2)/(1xx9)`
`= ((-1)xx2)/(1xx3) - ((-2)xx2)/(1xx3)`
`= (-2)/3 - ((-4)/3)`
`= (-2+4)/3 = 2/3`
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