Solutions by everydaycalculation.com
1st number: 2/21, 2nd number: 8 4/7
221 - 607 is -17821.
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Related: 4/21-60/7 2/42-60/7 2/21-60/14 6/21-60/7 2/63-60/7 2/21-60/21 10/21-60/7 2/21-60/35 14/21-60/7 2/21-60/49
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