Solutions by everydaycalculation.com
1st number: 1 6/12, 2nd number: 15/18
1812 - 1518 is 23.
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Related: 36/12-15/18 18/12-30/18 18/24-15/18 18/12-15/36 54/12-15/18 18/12-45/18 18/36-15/18 18/12-15/54 90/12-15/18 18/12-75/18 18/60-15/18 18/12-15/90 18/84-15/18
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