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Question
Subtract: `(- 16)/21 "from" 1`
Sum
Solution
`(- 16)/21 "from" 1`
`= 1/1 - ((- 16)/21)`
`= 1/1 + 16/21 = (1 xx 21 + 16)/21`
`= (21 + 16)/21 = 37/21`
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