Solutions by everydaycalculation.com
1st number: 3/30, 2nd number: 1 15/30
330 - 4530 is -75.
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Related: 6/30-45/30 3/30-90/30 3/60-45/30 3/30-45/60 9/30-45/30 3/90-45/30 3/30-45/90 15/30-45/30 21/30-45/30
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