Solutions by everydaycalculation.com
1st number: 2/21, 2nd number: 7 5/7
221 - 547 is -16021.
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Related: 4/21-54/7 2/42-54/7 2/21-54/14 6/21-54/7 2/63-54/7 2/21-54/21 10/21-54/7 2/21-54/35 14/21-54/7 2/21-54/49
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