Solutions by everydaycalculation.com
1st number: 2 2/3, 2nd number: 18/21
83 - 1821 is 3821.
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Related: 16/3-18/21 8/3-36/21 8/6-18/21 8/3-18/42 24/3-18/21 8/3-54/21 8/9-18/21 8/3-18/63 40/3-18/21 8/3-90/21 8/15-18/21 56/3-18/21 8/21-18/21
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