Solutions by everydaycalculation.com
815 - 115 is 715.
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Related: 16/15-1/15 8/15-2/15 8/30-1/15 8/15-1/30 24/15-1/15 8/15-3/15 8/45-1/15 8/15-1/45 40/15-1/15 8/15-5/15 8/75-1/15 8/15-1/75 56/15-1/15 8/15-7/15
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