Solutions by everydaycalculation.com
1st number: 4/30, 2nd number: 1 15/30
430 - 4530 is -4130.
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Related: 8/30-45/30 4/30-90/30 4/60-45/30 4/30-45/60 12/30-45/30 4/90-45/30 4/30-45/90 20/30-45/30 28/30-45/30
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