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Question
Subtract:
`7 1/2-3 1/5`
Sum
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Solution
`7 1/2-3 1/5`
= `15/2-16/5`
= `(15xx5)/(2xx5)-(16xx2)/(5xx2)`
= `75/10-32/10`
= `(75-32)/10`
= `43/10`
= `4 3/10`
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