Solutions by everydaycalculation.com
1st number: 12/21, 2nd number: 2 6/21
1221 - 4821 is -127.
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Related: 24/21-48/21 12/21-96/21 12/42-48/21 12/21-48/42 36/21-48/21 12/63-48/21 12/21-48/63 60/21-48/21 84/21-48/21
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