Solutions by everydaycalculation.com
1st number: 1 5/15, 2nd number: 1 1/15
2015 - 1615 is 415.
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Related: 40/15-16/15 20/15-32/15 20/30-16/15 20/15-16/30 60/15-16/15 20/15-48/15 20/45-16/15 20/15-16/45 20/15-80/15 20/75-16/15 20/15-16/75
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