Solutions by everydaycalculation.com
1st number: 4 12/15, 2nd number: 10/15
7215 - 1015 is 6215.
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Related: 72/15-20/15 72/30-10/15 72/15-10/30 72/15-30/15 72/45-10/15 72/15-10/45 72/15-50/15 72/75-10/15 72/15-10/75 72/15-70/15
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