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Question
Simplify:
`(3 7/8-3 3/5)÷1/2`
Sum
Solution
`(3 7/8-3 3/5)÷1/2`
= `(31/8-18/5)÷1/2`
= `((31xx5)/(8xx5)-(18xx8)/(5xx8))÷1/2`
= `(155/40-144/40)÷1/2`
= `11/40÷1/2=11/40xx2/1=11/20`
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