Solutions by everydaycalculation.com
1st number: 1 5/15, 2nd number: 1 4/12
2015 - 1612 is 01.
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Related: 40/15-16/12 20/15-32/12 20/30-16/12 20/15-16/24 60/15-16/12 20/15-48/12 20/45-16/12 20/15-16/36 20/15-80/12 20/75-16/12 20/15-16/60 20/15-16/84
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