Solutions by everydaycalculation.com
1st number: 12/21, 2nd number: 2 8/21
1221 - 5021 is -3821.
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Related: 24/21-50/21 12/42-50/21 12/21-50/42 36/21-50/21 12/63-50/21 12/21-50/63 60/21-50/21 84/21-50/21
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