Solutions by everydaycalculation.com
1st number: 15/18, 2nd number: 2 12/18
1518 - 4818 is -116.
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Related: 30/18-48/18 15/18-96/18 15/36-48/18 15/18-48/36 45/18-48/18 15/54-48/18 15/18-48/54 75/18-48/18 15/90-48/18 15/18-48/90
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