Solutions by everydaycalculation.com
1st number: 1 3/9, 2nd number: 1 3/15
129 - 1815 is 215.
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Related: 24/9-18/15 12/9-36/15 12/18-18/15 12/9-18/30 36/9-18/15 12/9-54/15 12/27-18/15 12/9-18/45 60/9-18/15 12/9-90/15 12/45-18/15 12/9-18/75 84/9-18/15 12/63-18/15
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