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Question
Evaluate : `(32/15 + 8/5) div (32/15 - 8/5)`
Solution
`(32/15 + 8/5) div (32/15 - 8/5)`
`((32 xx 1)/(15 xx 1) + (8xx3)/(5 xx 3)) div ((32 xx1)/(15 xx 1) - (8 xx 1)/(5 xx 1))`
(∵ L.C.M. of 15, 5 = 15)
`= ((32 + 24)/15) div ((32 - 24)/15)`
`= 56/15 div 8/15 => 56/15 xx 15/8 = 7`
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