Solutions by everydaycalculation.com
1st number: 8/21, 2nd number: 3 17/21
821 - 8021 is -247.
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Related: 16/21-80/21 8/42-80/21 8/21-80/42 24/21-80/21 8/63-80/21 8/21-80/63 40/21-80/21 56/21-80/21
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