Solutions by everydaycalculation.com
1st number: 12/30, 2nd number: 1 19/30
1230 - 4930 is -3730.
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Related: 24/30-49/30 12/30-98/30 12/60-49/30 12/30-49/60 36/30-49/30 12/90-49/30 12/30-49/90 60/30-49/30 84/30-49/30
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