Solutions by everydaycalculation.com
1st number: 7/30, 2nd number: 1 15/30
730 - 4530 is -1915.
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Related: 14/30-45/30 7/30-90/30 7/60-45/30 7/30-45/60 21/30-45/30 7/90-45/30 7/30-45/90 35/30-45/30 49/30-45/30
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