Solutions by everydaycalculation.com
1st number: 12/18, 2nd number: 1 10/18
1218 - 2818 is -89.
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Related: 24/18-28/18 12/18-56/18 12/36-28/18 12/18-28/36 36/18-28/18 12/18-84/18 12/54-28/18 12/18-28/54 60/18-28/18 12/90-28/18 12/18-28/90 84/18-28/18
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