Solutions by everydaycalculation.com
1st number: 12/30, 2nd number: 1 4/10
1230 - 1410 is -11.
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Related: 24/30-14/10 12/30-28/10 12/60-14/10 12/30-14/20 36/30-14/10 12/30-42/10 12/90-14/10 12/30-14/30 60/30-14/10 12/30-70/10 12/30-14/50 84/30-14/10 12/30-98/10 12/30-14/70
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