Solutions by everydaycalculation.com
1st number: 15/18, 2nd number: 3 6/18
1518 - 6018 is -52.
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Related: 30/18-60/18 15/36-60/18 15/18-60/36 45/18-60/18 15/54-60/18 15/18-60/54 75/18-60/18 15/90-60/18 15/18-60/90
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