Solutions by everydaycalculation.com
1st number: 8/30, 2nd number: 3 8/30
830 - 9830 is -31.
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Related: 16/30-98/30 8/60-98/30 8/30-98/60 24/30-98/30 8/90-98/30 8/30-98/90 40/30-98/30 56/30-98/30
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