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Question
Add: `(-9)/25 "and" 1/-75`
Sum
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Solution
`(-9)/25 "and" 1/-75 = (- 9)/25 + (- 1)/75`
`= (- 9 xx 3)/(25 xx 3) + (- 1 xx 1)/(75 xx 1)`
(∵ L.C.M. of 25 and 75 = 75)
`= (- 27)/75 + (-1)/75`
`= ((- 27) + (-1))/75 = (- 27 - 1)/75 =(- 28)/75`
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