Solutions by everydaycalculation.com
1st number: 9/30, 2nd number: 1 12/30
930 - 4230 is -1110.
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Related: 18/30-42/30 9/30-84/30 9/60-42/30 9/30-42/60 27/30-42/30 9/90-42/30 9/30-42/90 45/30-42/30 63/30-42/30
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