Solutions by everydaycalculation.com
1st number: 12/30, 2nd number: 1 26/30
1230 - 5630 is -2215.
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Related: 24/30-56/30 12/60-56/30 12/30-56/60 36/30-56/30 12/90-56/30 12/30-56/90 60/30-56/30 84/30-56/30
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