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Question
Reduce the following rational numbers in its lowest form:
`91/(-364)`
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Solution
`91/(-364)` can be written as
= `(91 ÷ 91)/(-364 ÷ 91)` ...[Dividing numerator and denominator by HCF of 91 and 364 i.e. 91]
= `(91 xx 1/91)/(-364 xx 1/91)` ...`[∵ "Reciprocal of" 91 = 1/91]`
= `-1/4`, which is the lowest form.
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