Solutions by everydaycalculation.com
1st number: 1 12/18, 2nd number: 10/18
3018 - 1018 is 109.
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Related: 60/18-10/18 30/18-20/18 30/36-10/18 30/18-10/36 90/18-10/18 30/18-30/18 30/54-10/18 30/18-10/54 30/18-50/18 30/90-10/18 30/18-10/90 30/18-70/18
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