Solutions by everydaycalculation.com
1st number: 2/21, 2nd number: 7 3/6
221 - 456 is -31142.
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Related: 4/21-45/6 2/21-90/6 2/42-45/6 2/21-45/12 6/21-45/6 2/63-45/6 2/21-45/18 10/21-45/6 2/21-45/30 14/21-45/6 2/21-45/42
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