Solutions by everydaycalculation.com
1st number: 1 3/12, 2nd number: 1 2/16
1512 - 1816 is 18.
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Related: 30/12-18/16 15/12-36/16 15/24-18/16 15/12-18/32 45/12-18/16 15/12-54/16 15/36-18/16 15/12-18/48 75/12-18/16 15/12-90/16 15/60-18/16 15/12-18/80 15/84-18/16
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