Solutions by everydaycalculation.com
1st number: 12/30, 2nd number: 2 13/18
1230 - 4918 is -20990.
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Related: 24/30-49/18 12/30-98/18 12/60-49/18 12/30-49/36 36/30-49/18 12/90-49/18 12/30-49/54 60/30-49/18 12/30-49/90 84/30-49/18
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