Solutions by everydaycalculation.com
1st number: 9/30, 2nd number: 1 5/30
930 - 3530 is -1315.
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Related: 18/30-35/30 9/30-70/30 9/60-35/30 9/30-35/60 27/30-35/30 9/90-35/30 9/30-35/90 45/30-35/30 63/30-35/30
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