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Question
What should be subtracted from `(-4)/5` to get 1?
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Solution
Let the required rational number be x
Other number = `(-3)/5`
Difference of two number = 1
According to question,
`therefore (-4)/5 - "x" = 1`
`=> (-4)/5 - 1 = "x"`
`=> "x" = (- 4 - 1 xx 5)/5 = (-9)/5`
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