Solutions by everydaycalculation.com
1st number: 8/30, 2nd number: 1 15/30
830 - 4530 is -3730.
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Related: 16/30-45/30 8/30-90/30 8/60-45/30 8/30-45/60 24/30-45/30 8/90-45/30 8/30-45/90 40/30-45/30 56/30-45/30
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