Solutions by everydaycalculation.com
1st number: 5 0/3, 2nd number: 8/21
153 - 821 is 9721.
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Related: 30/3-8/21 15/3-16/21 15/6-8/21 15/3-8/42 45/3-8/21 15/3-24/21 15/9-8/21 15/3-8/63 75/3-8/21 15/3-40/21 15/3-56/21 15/21-8/21
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