Solutions by everydaycalculation.com
1st number: 1 3/12, 2nd number: 10/21
1512 - 1021 is 6584.
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Related: 30/12-10/21 15/12-20/21 15/24-10/21 15/12-10/42 45/12-10/21 15/12-30/21 15/36-10/21 15/12-10/63 75/12-10/21 15/12-50/21 15/60-10/21 15/12-70/21 15/84-10/21
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