Solutions by everydaycalculation.com
1st number: 1 12/18, 2nd number: 4/18
3018 - 418 is 139.
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Related: 60/18-4/18 30/18-8/18 30/36-4/18 30/18-4/36 90/18-4/18 30/18-12/18 30/54-4/18 30/18-4/54 30/18-20/18 30/90-4/18 30/18-4/90 30/18-28/18
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