Solutions by everydaycalculation.com
1st number: 4 2/3, 2nd number: 1/21
143 - 121 is 9721.
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Related: 28/3-1/21 14/3-2/21 14/6-1/21 14/3-1/42 42/3-1/21 14/3-3/21 14/9-1/21 14/3-1/63 70/3-1/21 14/3-5/21 14/15-1/21 98/3-1/21 14/3-7/21 14/21-1/21
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