Solutions by everydaycalculation.com
1st number: 8/18, 2nd number: 2 6/18
818 - 4218 is -179.
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Related: 16/18-42/18 8/18-84/18 8/36-42/18 8/18-42/36 24/18-42/18 8/54-42/18 8/18-42/54 40/18-42/18 8/90-42/18 8/18-42/90 56/18-42/18
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