Solutions by everydaycalculation.com
1215 - 16 is 1930.
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Related: 24/15-1/6 12/15-2/6 12/30-1/6 12/15-1/12 36/15-1/6 12/15-3/6 12/45-1/6 12/15-1/18 60/15-1/6 12/15-5/6 12/75-1/6 12/15-1/30 84/15-1/6 12/15-7/6 12/15-1/42
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