Solutions by everydaycalculation.com
1st number: 8/30, 2nd number: 2 10/30
830 - 7030 is -3115.
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Related: 16/30-70/30 8/60-70/30 8/30-70/60 24/30-70/30 8/90-70/30 8/30-70/90 40/30-70/30 56/30-70/30
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