Solutions by everydaycalculation.com
915 - 115 is 815.
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Related: 18/15-1/15 9/15-2/15 9/30-1/15 9/15-1/30 27/15-1/15 9/15-3/15 9/45-1/15 9/15-1/45 45/15-1/15 9/15-5/15 9/75-1/15 9/15-1/75 63/15-1/15 9/15-7/15
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