Solutions by everydaycalculation.com
1st number: 12/30, 2nd number: 1 2/12
1230 - 1412 is -2330.
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Related: 24/30-14/12 12/30-28/12 12/60-14/12 12/30-14/24 36/30-14/12 12/30-42/12 12/90-14/12 12/30-14/36 60/30-14/12 12/30-70/12 12/30-14/60 84/30-14/12 12/30-98/12 12/30-14/84
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