Solutions by everydaycalculation.com
1st number: 1 3/12, 2nd number: 8/21
1512 - 821 is 7384.
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Related: 30/12-8/21 15/12-16/21 15/24-8/21 15/12-8/42 45/12-8/21 15/12-24/21 15/36-8/21 15/12-8/63 75/12-8/21 15/12-40/21 15/60-8/21 15/12-56/21 15/84-8/21
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