Solutions by everydaycalculation.com
1st number: 5/18, 2nd number: 2 4/18
518 - 4018 is -3518.
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Related: 10/18-40/18 5/18-80/18 5/36-40/18 5/18-40/36 15/18-40/18 5/54-40/18 5/18-40/54 25/18-40/18 5/90-40/18 5/18-40/90 35/18-40/18
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