Solutions by everydaycalculation.com
1st number: 1 3/15, 2nd number: 1 7/18
1815 - 2518 is -1790.
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Related: 36/15-25/18 18/15-50/18 18/30-25/18 18/15-25/36 54/15-25/18 18/15-75/18 18/45-25/18 18/15-25/54 90/15-25/18 18/75-25/18 18/15-25/90
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