Solutions by everydaycalculation.com
1st number: 2 12/15, 2nd number: 10/15
4215 - 1015 is 3215.
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Related: 84/15-10/15 42/15-20/15 42/30-10/15 42/15-10/30 42/15-30/15 42/45-10/15 42/15-10/45 42/15-50/15 42/75-10/15 42/15-10/75 42/15-70/15
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