Solutions by everydaycalculation.com
1st number: 1 2/18, 2nd number: 1 3/18
2018 - 2118 is -118.
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Related: 40/18-21/18 20/18-42/18 20/36-21/18 20/18-21/36 60/18-21/18 20/18-63/18 20/54-21/18 20/18-21/54 20/90-21/18 20/18-21/90
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