Solutions by everydaycalculation.com
1st number: 8/18, 2nd number: 4 0/18
818 - 7218 is -329.
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Related: 16/18-72/18 8/36-72/18 8/18-72/36 24/18-72/18 8/54-72/18 8/18-72/54 40/18-72/18 8/90-72/18 8/18-72/90 56/18-72/18
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