Solutions by everydaycalculation.com
1st number: 4/30, 2nd number: 1 12/30
430 - 4230 is -1915.
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Related: 8/30-42/30 4/30-84/30 4/60-42/30 4/30-42/60 12/30-42/30 4/90-42/30 4/30-42/90 20/30-42/30 28/30-42/30
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