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Question
Find (m + n) ÷ (m - n), if:
m = `3/4` and n = `4/3`
Sum
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Solution
Using formula (m + n ) ÷ (m - n)
`= (3/4 + 4/3) ÷ (3/4 - 4/3)`
`= ((3xx3)/(4xx3) + (4xx4)/(3xx4)) ÷ ((3xx3)/(4xx3) - (4xx4)/(3xx4))`
(LCM of 3 and 4 = 12)
`= ((9 +16)/12) ÷ ((9-16)/12)`
`= 25/12 ÷ -7/12`
`= 25/12 xx -12/7 = - 25/7`
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