Solutions by everydaycalculation.com
1st number: 1 5/15, 2nd number: 1 3/15
2015 - 1815 is 215.
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Related: 40/15-18/15 20/15-36/15 20/30-18/15 20/15-18/30 60/15-18/15 20/15-54/15 20/45-18/15 20/15-18/45 20/15-90/15 20/75-18/15 20/15-18/75
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