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Question
Simplify:
`3 1/2+1 2/3-2 1/4`
Sum
Solution
`3 1/2+1 2/3-2 1/4=7/2+5/3-9/4`
= `(7xx6)/(2xx6)+(5xx4)/(3xx4)-(9xx3)/(4xx3)`
= `42/12+20/12-27/12`
= `(42+20-27)/12`
= `(62-27)/12=35/12=2 11/12`
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