Solutions by everydaycalculation.com
1st number: 4 2/3, 2nd number: 18/21
143 - 1821 is 8021.
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Related: 28/3-18/21 14/3-36/21 14/6-18/21 14/3-18/42 42/3-18/21 14/3-54/21 14/9-18/21 14/3-18/63 70/3-18/21 14/3-90/21 14/15-18/21 98/3-18/21 14/21-18/21
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