Solutions by everydaycalculation.com
1st number: 12/18, 2nd number: 1 2/18
1218 - 2018 is -49.
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Related: 24/18-20/18 12/18-40/18 12/36-20/18 12/18-20/36 36/18-20/18 12/18-60/18 12/54-20/18 12/18-20/54 60/18-20/18 12/90-20/18 12/18-20/90 84/18-20/18
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