Solutions by everydaycalculation.com
1st number: 5/30, 2nd number: 1 15/30
530 - 4530 is -43.
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Related: 10/30-45/30 5/30-90/30 5/60-45/30 5/30-45/60 15/30-45/30 5/90-45/30 5/30-45/90 25/30-45/30 35/30-45/30
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