Solutions by everydaycalculation.com
1st number: 4 2/3, 2nd number: 5/7
143 - 57 is 8321.
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Related: 28/3-5/7 14/3-10/7 14/6-5/7 14/3-5/14 42/3-5/7 14/3-15/7 14/9-5/7 14/3-5/21 70/3-5/7 14/3-25/7 14/15-5/7 14/3-5/35 98/3-5/7 14/3-35/7 14/21-5/7 14/3-5/49
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