Solutions by everydaycalculation.com
1st number: 7/18, 2nd number: 3 9/18
718 - 6318 is -289.
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Related: 14/18-63/18 7/36-63/18 7/18-63/36 21/18-63/18 7/54-63/18 7/18-63/54 35/18-63/18 7/90-63/18 7/18-63/90 49/18-63/18
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